Home / 103,686.02-155,572.79-95,410.97

Finding the Fourth Proportional to 103,686.02, 155,572.79 and 95,410.97

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Solution

The fourth proportional to 103,686.02, 155,572.79 and 95,410.97 is: 143,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686.02 : 155,572.79 = 95,410.97 : x
  2. Step 2: Convert to fraction form
    103,686.02/155,572.79 = 95,410.97/x
  3. Step 3: Cross multiply
    103,686.02x = 155,572.79 × 95,410.97
  4. Step 4: Simplify right side
    103,686.02x = 14,843,350,799.51
  5. Step 5: Solve for x
    x = 14,843,350,799.51/103,686.02
  6. Step 6: Final answer
    x = 143,156.72

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1.5x scale

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.