Home / 152,726.38-210,762.34-89,051.88

Finding the Fourth Proportional to 152,726.38, 210,762.34 and 89,051.88

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Solution

The fourth proportional to 152,726.38, 210,762.34 and 89,051.88 is: 122,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,726.38 : 210,762.34 = 89,051.88 : x
  2. Step 2: Convert to fraction form
    152,726.38/210,762.34 = 89,051.88/x
  3. Step 3: Cross multiply
    152,726.38x = 210,762.34 × 89,051.88
  4. Step 4: Simplify right side
    152,726.38x = 18,768,782,610.20
  5. Step 5: Solve for x
    x = 18,768,782,610.20/152,726.38
  6. Step 6: Final answer
    x = 122,891.56

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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.