Home / 156,646.34-216,166.15-85,024.83

Finding the Fourth Proportional to 156,646.34, 216,166.15 and 85,024.83

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Solution

The fourth proportional to 156,646.34, 216,166.15 and 85,024.83 is: 117,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,646.34 : 216,166.15 = 85,024.83 : x
  2. Step 2: Convert to fraction form
    156,646.34/216,166.15 = 85,024.83/x
  3. Step 3: Cross multiply
    156,646.34x = 216,166.15 × 85,024.83
  4. Step 4: Simplify right side
    156,646.34x = 18,379,490,155.50
  5. Step 5: Solve for x
    x = 18,379,490,155.50/156,646.34
  6. Step 6: Final answer
    x = 117,331.12

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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.