Home / 535,972.20-803,958.30-136,612.20

Finding the Fourth Proportional to 535,972.20, 803,958.30 and 136,612.20

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Solution

The fourth proportional to 535,972.20, 803,958.30 and 136,612.20 is: 204,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,972.20 : 803,958.30 = 136,612.20 : x
  2. Step 2: Convert to fraction form
    535,972.20/803,958.30 = 136,612.20/x
  3. Step 3: Cross multiply
    535,972.20x = 803,958.30 × 136,612.20
  4. Step 4: Simplify right side
    535,972.20x = 109,830,512,071.26
  5. Step 5: Solve for x
    x = 109,830,512,071.26/535,972.20
  6. Step 6: Final answer
    x = 204,918.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.