Home / 157,118.13-235,534.23-57,255.56

Finding the Fourth Proportional to 157,118.13, 235,534.23 and 57,255.56

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Solution

The fourth proportional to 157,118.13, 235,534.23 and 57,255.56 is: 85,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,118.13 : 235,534.23 = 57,255.56 : x
  2. Step 2: Convert to fraction form
    157,118.13/235,534.23 = 57,255.56/x
  3. Step 3: Cross multiply
    157,118.13x = 235,534.23 × 57,255.56
  4. Step 4: Simplify right side
    157,118.13x = 13,485,643,943.40
  5. Step 5: Solve for x
    x = 13,485,643,943.40/157,118.13
  6. Step 6: Final answer
    x = 85,831.24

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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.