Home / 153,719.75-230,612.45-53,886.03

Finding the Fourth Proportional to 153,719.75, 230,612.45 and 53,886.03

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Solution

The fourth proportional to 153,719.75, 230,612.45 and 53,886.03 is: 80,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,719.75 : 230,612.45 = 53,886.03 : x
  2. Step 2: Convert to fraction form
    153,719.75/230,612.45 = 53,886.03/x
  3. Step 3: Cross multiply
    153,719.75x = 230,612.45 × 53,886.03
  4. Step 4: Simplify right side
    153,719.75x = 12,426,789,129.64
  5. Step 5: Solve for x
    x = 12,426,789,129.64/153,719.75
  6. Step 6: Final answer
    x = 80,840.55

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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.