Home / 143,715.60-215,556.96-38,526.36

Finding the Fourth Proportional to 143,715.60, 215,556.96 and 38,526.36

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Solution

The fourth proportional to 143,715.60, 215,556.96 and 38,526.36 is: 57,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,715.60 : 215,556.96 = 38,526.36 : x
  2. Step 2: Convert to fraction form
    143,715.60/215,556.96 = 38,526.36/x
  3. Step 3: Cross multiply
    143,715.60x = 215,556.96 × 38,526.36
  4. Step 4: Simplify right side
    143,715.60x = 8,304,625,041.47
  5. Step 5: Solve for x
    x = 8,304,625,041.47/143,715.60
  6. Step 6: Final answer
    x = 57,785.13

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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.