Home / 156,557.68-216,047.66-84,937.17

Finding the Fourth Proportional to 156,557.68, 216,047.66 and 84,937.17

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Solution

The fourth proportional to 156,557.68, 216,047.66 and 84,937.17 is: 117,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557.68 : 216,047.66 = 84,937.17 : x
  2. Step 2: Convert to fraction form
    156,557.68/216,047.66 = 84,937.17/x
  3. Step 3: Cross multiply
    156,557.68x = 216,047.66 × 84,937.17
  4. Step 4: Simplify right side
    156,557.68x = 18,350,477,211.02
  5. Step 5: Solve for x
    x = 18,350,477,211.02/156,557.68
  6. Step 6: Final answer
    x = 117,212.25

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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.