Home / 124,465.20-187,086.60-122,132.40

Finding the Fourth Proportional to 124,465.20, 187,086.60 and 122,132.40

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Solution

The fourth proportional to 124,465.20, 187,086.60 and 122,132.40 is: 183,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,465.20 : 187,086.60 = 122,132.40 : x
  2. Step 2: Convert to fraction form
    124,465.20/187,086.60 = 122,132.40/x
  3. Step 3: Cross multiply
    124,465.20x = 187,086.60 × 122,132.40
  4. Step 4: Simplify right side
    124,465.20x = 22,849,335,465.84
  5. Step 5: Solve for x
    x = 22,849,335,465.84/124,465.20
  6. Step 6: Final answer
    x = 183,580.11

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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.