Home / 134,742.29-202,054.74-38,658.30

Finding the Fourth Proportional to 134,742.29, 202,054.74 and 38,658.30

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Solution

The fourth proportional to 134,742.29, 202,054.74 and 38,658.30 is: 57,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,742.29 : 202,054.74 = 38,658.30 : x
  2. Step 2: Convert to fraction form
    134,742.29/202,054.74 = 38,658.30/x
  3. Step 3: Cross multiply
    134,742.29x = 202,054.74 × 38,658.30
  4. Step 4: Simplify right side
    134,742.29x = 7,811,092,755.34
  5. Step 5: Solve for x
    x = 7,811,092,755.34/134,742.29
  6. Step 6: Final answer
    x = 57,970.61

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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.