Home / 156,008.14-215,291.04-84,387.94

Finding the Fourth Proportional to 156,008.14, 215,291.04 and 84,387.94

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Solution

The fourth proportional to 156,008.14, 215,291.04 and 84,387.94 is: 116,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,008.14 : 215,291.04 = 84,387.94 : x
  2. Step 2: Convert to fraction form
    156,008.14/215,291.04 = 84,387.94/x
  3. Step 3: Cross multiply
    156,008.14x = 215,291.04 × 84,387.94
  4. Step 4: Simplify right side
    156,008.14x = 18,167,967,366.06
  5. Step 5: Solve for x
    x = 18,167,967,366.06/156,008.14
  6. Step 6: Final answer
    x = 116,455.25

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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.