Home / 115,254.72-159,124.14-88,346.52

Finding the Fourth Proportional to 115,254.72, 159,124.14 and 88,346.52

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Solution

The fourth proportional to 115,254.72, 159,124.14 and 88,346.52 is: 121,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,254.72 : 159,124.14 = 88,346.52 : x
  2. Step 2: Convert to fraction form
    115,254.72/159,124.14 = 88,346.52/x
  3. Step 3: Cross multiply
    115,254.72x = 159,124.14 × 88,346.52
  4. Step 4: Simplify right side
    115,254.72x = 14,058,064,016.99
  5. Step 5: Solve for x
    x = 14,058,064,016.99/115,254.72
  6. Step 6: Final answer
    x = 121,973.87

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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.