Home / 152,738.29-229,128.26-88,726.51

Finding the Fourth Proportional to 152,738.29, 229,128.26 and 88,726.51

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Solution

The fourth proportional to 152,738.29, 229,128.26 and 88,726.51 is: 133,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,738.29 : 229,128.26 = 88,726.51 : x
  2. Step 2: Convert to fraction form
    152,738.29/229,128.26 = 88,726.51/x
  3. Step 3: Cross multiply
    152,738.29x = 229,128.26 × 88,726.51
  4. Step 4: Simplify right side
    152,738.29x = 20,329,750,852.17
  5. Step 5: Solve for x
    x = 20,329,750,852.17/152,738.29
  6. Step 6: Final answer
    x = 133,101.86

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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.