Home / 147,343.38-221,117.13-58,587.72

Finding the Fourth Proportional to 147,343.38, 221,117.13 and 58,587.72

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Solution

The fourth proportional to 147,343.38, 221,117.13 and 58,587.72 is: 87,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,343.38 : 221,117.13 = 58,587.72 : x
  2. Step 2: Convert to fraction form
    147,343.38/221,117.13 = 58,587.72/x
  3. Step 3: Cross multiply
    147,343.38x = 221,117.13 × 58,587.72
  4. Step 4: Simplify right side
    147,343.38x = 12,954,748,499.64
  5. Step 5: Solve for x
    x = 12,954,748,499.64/147,343.38
  6. Step 6: Final answer
    x = 87,922.16

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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.