Home / 124,338.40-186,350.65-53,176.86

Finding the Fourth Proportional to 124,338.40, 186,350.65 and 53,176.86

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Solution

The fourth proportional to 124,338.40, 186,350.65 and 53,176.86 is: 79,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.40 : 186,350.65 = 53,176.86 : x
  2. Step 2: Convert to fraction form
    124,338.40/186,350.65 = 53,176.86/x
  3. Step 3: Cross multiply
    124,338.40x = 186,350.65 × 53,176.86
  4. Step 4: Simplify right side
    124,338.40x = 9,909,542,293.02
  5. Step 5: Solve for x
    x = 9,909,542,293.02/124,338.40
  6. Step 6: Final answer
    x = 79,698.17

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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.