Home / 124,320.40-186,480.60-62,112.40

Finding the Fourth Proportional to 124,320.40, 186,480.60 and 62,112.40

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Solution

The fourth proportional to 124,320.40, 186,480.60 and 62,112.40 is: 93,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,320.40 : 186,480.60 = 62,112.40 : x
  2. Step 2: Convert to fraction form
    124,320.40/186,480.60 = 62,112.40/x
  3. Step 3: Cross multiply
    124,320.40x = 186,480.60 × 62,112.40
  4. Step 4: Simplify right side
    124,320.40x = 11,582,757,619.44
  5. Step 5: Solve for x
    x = 11,582,757,619.44/124,320.40
  6. Step 6: Final answer
    x = 93,168.60

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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.