Home / 134,726.99-202,148.81-72,324.59

Finding the Fourth Proportional to 134,726.99, 202,148.81 and 72,324.59

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Solution

The fourth proportional to 134,726.99, 202,148.81 and 72,324.59 is: 108,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,726.99 : 202,148.81 = 72,324.59 : x
  2. Step 2: Convert to fraction form
    134,726.99/202,148.81 = 72,324.59/x
  3. Step 3: Cross multiply
    134,726.99x = 202,148.81 × 72,324.59
  4. Step 4: Simplify right side
    134,726.99x = 14,620,329,440.61
  5. Step 5: Solve for x
    x = 14,620,329,440.61/134,726.99
  6. Step 6: Final answer
    x = 108,518.19

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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.