Home / 124,306.48-186,458.72-74,400.40

Finding the Fourth Proportional to 124,306.48, 186,458.72 and 74,400.40

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Solution

The fourth proportional to 124,306.48, 186,458.72 and 74,400.40 is: 111,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,306.48 : 186,458.72 = 74,400.40 : x
  2. Step 2: Convert to fraction form
    124,306.48/186,458.72 = 74,400.40/x
  3. Step 3: Cross multiply
    124,306.48x = 186,458.72 × 74,400.40
  4. Step 4: Simplify right side
    124,306.48x = 13,872,603,351.49
  5. Step 5: Solve for x
    x = 13,872,603,351.49/124,306.48
  6. Step 6: Final answer
    x = 111,600.00

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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.