Home / 153,533.43-211,876.56-89,015.18

Finding the Fourth Proportional to 153,533.43, 211,876.56 and 89,015.18

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Solution

The fourth proportional to 153,533.43, 211,876.56 and 89,015.18 is: 122,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,533.43 : 211,876.56 = 89,015.18 : x
  2. Step 2: Convert to fraction form
    153,533.43/211,876.56 = 89,015.18/x
  3. Step 3: Cross multiply
    153,533.43x = 211,876.56 × 89,015.18
  4. Step 4: Simplify right side
    153,533.43x = 18,860,229,066.80
  5. Step 5: Solve for x
    x = 18,860,229,066.80/153,533.43
  6. Step 6: Final answer
    x = 122,841.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.