Home / 181,244.32-271,915.49-128,985.55

Finding the Fourth Proportional to 181,244.32, 271,915.49 and 128,985.55

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Solution

The fourth proportional to 181,244.32, 271,915.49 and 128,985.55 is: 193,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,244.32 : 271,915.49 = 128,985.55 : x
  2. Step 2: Convert to fraction form
    181,244.32/271,915.49 = 128,985.55/x
  3. Step 3: Cross multiply
    181,244.32x = 271,915.49 × 128,985.55
  4. Step 4: Simplify right side
    181,244.32x = 35,073,169,031.17
  5. Step 5: Solve for x
    x = 35,073,169,031.17/181,244.32
  6. Step 6: Final answer
    x = 193,513.20

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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.