Home / 147,553.29-221,275.67-52,757.87

Finding the Fourth Proportional to 147,553.29, 221,275.67 and 52,757.87

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Solution

The fourth proportional to 147,553.29, 221,275.67 and 52,757.87 is: 79,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,553.29 : 221,275.67 = 52,757.87 : x
  2. Step 2: Convert to fraction form
    147,553.29/221,275.67 = 52,757.87/x
  3. Step 3: Cross multiply
    147,553.29x = 221,275.67 × 52,757.87
  4. Step 4: Simplify right side
    147,553.29x = 11,674,031,661.86
  5. Step 5: Solve for x
    x = 11,674,031,661.86/147,553.29
  6. Step 6: Final answer
    x = 79,117.39

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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.