Home / 156,985.10-234,940.05-94,700.30

Finding the Fourth Proportional to 156,985.10, 234,940.05 and 94,700.30

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Solution

The fourth proportional to 156,985.10, 234,940.05 and 94,700.30 is: 141,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.10 : 234,940.05 = 94,700.30 : x
  2. Step 2: Convert to fraction form
    156,985.10/234,940.05 = 94,700.30/x
  3. Step 3: Cross multiply
    156,985.10x = 234,940.05 × 94,700.30
  4. Step 4: Simplify right side
    156,985.10x = 22,248,893,217.02
  5. Step 5: Solve for x
    x = 22,248,893,217.02/156,985.10
  6. Step 6: Final answer
    x = 141,726.15

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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.