Home / 487,143.13-730,527.88-167,235.38

Finding the Fourth Proportional to 487,143.13, 730,527.88 and 167,235.38

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Solution

The fourth proportional to 487,143.13, 730,527.88 and 167,235.38 is: 250,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,143.13 : 730,527.88 = 167,235.38 : x
  2. Step 2: Convert to fraction form
    487,143.13/730,527.88 = 167,235.38/x
  3. Step 3: Cross multiply
    487,143.13x = 730,527.88 × 167,235.38
  4. Step 4: Simplify right side
    487,143.13x = 122,170,110,703.93
  5. Step 5: Solve for x
    x = 122,170,110,703.93/487,143.13
  6. Step 6: Final answer
    x = 250,788.94

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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.