Home / 156,884.12-216,501.76-85,264.14

Finding the Fourth Proportional to 156,884.12, 216,501.76 and 85,264.14

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Solution

The fourth proportional to 156,884.12, 216,501.76 and 85,264.14 is: 117,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.12 : 216,501.76 = 85,264.14 : x
  2. Step 2: Convert to fraction form
    156,884.12/216,501.76 = 85,264.14/x
  3. Step 3: Cross multiply
    156,884.12x = 216,501.76 × 85,264.14
  4. Step 4: Simplify right side
    156,884.12x = 18,459,837,293.35
  5. Step 5: Solve for x
    x = 18,459,837,293.35/156,884.12
  6. Step 6: Final answer
    x = 117,665.43

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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.