Home / 102,089.16-153,121.59-27,214.92

Finding the Fourth Proportional to 102,089.16, 153,121.59 and 27,214.92

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Solution

The fourth proportional to 102,089.16, 153,121.59 and 27,214.92 is: 40,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.16 : 153,121.59 = 27,214.92 : x
  2. Step 2: Convert to fraction form
    102,089.16/153,121.59 = 27,214.92/x
  3. Step 3: Cross multiply
    102,089.16x = 153,121.59 × 27,214.92
  4. Step 4: Simplify right side
    102,089.16x = 4,167,191,822.12
  5. Step 5: Solve for x
    x = 4,167,191,822.12/102,089.16
  6. Step 6: Final answer
    x = 40,819.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.