Home / 156,282.17-215,669.18-84,662.48

Finding the Fourth Proportional to 156,282.17, 215,669.18 and 84,662.48

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Solution

The fourth proportional to 156,282.17, 215,669.18 and 84,662.48 is: 116,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,282.17 : 215,669.18 = 84,662.48 : x
  2. Step 2: Convert to fraction form
    156,282.17/215,669.18 = 84,662.48/x
  3. Step 3: Cross multiply
    156,282.17x = 215,669.18 × 84,662.48
  4. Step 4: Simplify right side
    156,282.17x = 18,259,086,136.71
  5. Step 5: Solve for x
    x = 18,259,086,136.71/156,282.17
  6. Step 6: Final answer
    x = 116,834.10

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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.