Home / 156,030.30-234,045.45-137,951.10

Finding the Fourth Proportional to 156,030.30, 234,045.45 and 137,951.10

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Solution

The fourth proportional to 156,030.30, 234,045.45 and 137,951.10 is: 206,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,030.30 : 234,045.45 = 137,951.10 : x
  2. Step 2: Convert to fraction form
    156,030.30/234,045.45 = 137,951.10/x
  3. Step 3: Cross multiply
    156,030.30x = 234,045.45 × 137,951.10
  4. Step 4: Simplify right side
    156,030.30x = 32,286,827,277.50
  5. Step 5: Solve for x
    x = 32,286,827,277.50/156,030.30
  6. Step 6: Final answer
    x = 206,926.65

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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.