Home / 124,816.20-187,086.06-74,963.40

Finding the Fourth Proportional to 124,816.20, 187,086.06 and 74,963.40

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Solution

The fourth proportional to 124,816.20, 187,086.06 and 74,963.40 is: 112,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816.20 : 187,086.06 = 74,963.40 : x
  2. Step 2: Convert to fraction form
    124,816.20/187,086.06 = 74,963.40/x
  3. Step 3: Cross multiply
    124,816.20x = 187,086.06 × 74,963.40
  4. Step 4: Simplify right side
    124,816.20x = 14,024,607,150.20
  5. Step 5: Solve for x
    x = 14,024,607,150.20/124,816.20
  6. Step 6: Final answer
    x = 112,362.07

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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.