Home / 99,147.06-147,775.56-93,542.87

Finding the Fourth Proportional to 99,147.06, 147,775.56 and 93,542.87

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Solution

The fourth proportional to 99,147.06, 147,775.56 and 93,542.87 is: 139,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,147.06 : 147,775.56 = 93,542.87 : x
  2. Step 2: Convert to fraction form
    99,147.06/147,775.56 = 93,542.87/x
  3. Step 3: Cross multiply
    99,147.06x = 147,775.56 × 93,542.87
  4. Step 4: Simplify right side
    99,147.06x = 13,823,349,259.38
  5. Step 5: Solve for x
    x = 13,823,349,259.38/99,147.06
  6. Step 6: Final answer
    x = 139,422.68

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1.5x scale

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.