Home / 99,150.06-147,780.03-93,545.87

Finding the Fourth Proportional to 99,150.06, 147,780.03 and 93,545.87

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Solution

The fourth proportional to 99,150.06, 147,780.03 and 93,545.87 is: 139,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.06 : 147,780.03 = 93,545.87 : x
  2. Step 2: Convert to fraction form
    99,150.06/147,780.03 = 93,545.87/x
  3. Step 3: Cross multiply
    99,150.06x = 147,780.03 × 93,545.87
  4. Step 4: Simplify right side
    99,150.06x = 13,824,210,736.08
  5. Step 5: Solve for x
    x = 13,824,210,736.08/99,150.06
  6. Step 6: Final answer
    x = 139,427.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.