Home / 156,752.08-216,317.82-85,132.12

Finding the Fourth Proportional to 156,752.08, 216,317.82 and 85,132.12

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Solution

The fourth proportional to 156,752.08, 216,317.82 and 85,132.12 is: 117,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,752.08 : 216,317.82 = 85,132.12 : x
  2. Step 2: Convert to fraction form
    156,752.08/216,317.82 = 85,132.12/x
  3. Step 3: Cross multiply
    156,752.08x = 216,317.82 × 85,132.12
  4. Step 4: Simplify right side
    156,752.08x = 18,415,594,610.38
  5. Step 5: Solve for x
    x = 18,415,594,610.38/156,752.08
  6. Step 6: Final answer
    x = 117,482.30

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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.