Home / 147,521.90-203,545.22-83,854.68

Finding the Fourth Proportional to 147,521.90, 203,545.22 and 83,854.68

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Solution

The fourth proportional to 147,521.90, 203,545.22 and 83,854.68 is: 115,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.90 : 203,545.22 = 83,854.68 : x
  2. Step 2: Convert to fraction form
    147,521.90/203,545.22 = 83,854.68/x
  3. Step 3: Cross multiply
    147,521.90x = 203,545.22 × 83,854.68
  4. Step 4: Simplify right side
    147,521.90x = 17,068,219,288.63
  5. Step 5: Solve for x
    x = 17,068,219,288.63/147,521.90
  6. Step 6: Final answer
    x = 115,699.56

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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.