Home / 115,267.18-159,008.24-93,780.93

Finding the Fourth Proportional to 115,267.18, 159,008.24 and 93,780.93

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Solution

The fourth proportional to 115,267.18, 159,008.24 and 93,780.93 is: 129,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.18 : 159,008.24 = 93,780.93 : x
  2. Step 2: Convert to fraction form
    115,267.18/159,008.24 = 93,780.93/x
  3. Step 3: Cross multiply
    115,267.18x = 159,008.24 × 93,780.93
  4. Step 4: Simplify right side
    115,267.18x = 14,911,940,624.86
  5. Step 5: Solve for x
    x = 14,911,940,624.86/115,267.18
  6. Step 6: Final answer
    x = 129,368.49

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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.