Home / 124,984.59-172,559.23-111,532.71

Finding the Fourth Proportional to 124,984.59, 172,559.23 and 111,532.71

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Solution

The fourth proportional to 124,984.59, 172,559.23 and 111,532.71 is: 153,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,984.59 : 172,559.23 = 111,532.71 : x
  2. Step 2: Convert to fraction form
    124,984.59/172,559.23 = 111,532.71/x
  3. Step 3: Cross multiply
    124,984.59x = 172,559.23 × 111,532.71
  4. Step 4: Simplify right side
    124,984.59x = 19,245,998,925.68
  5. Step 5: Solve for x
    x = 19,245,998,925.68/124,984.59
  6. Step 6: Final answer
    x = 153,986.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.