Home / 157,284.72-235,760.91-112,887.41

Finding the Fourth Proportional to 157,284.72, 235,760.91 and 112,887.41

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Solution

The fourth proportional to 157,284.72, 235,760.91 and 112,887.41 is: 169,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,284.72 : 235,760.91 = 112,887.41 : x
  2. Step 2: Convert to fraction form
    157,284.72/235,760.91 = 112,887.41/x
  3. Step 3: Cross multiply
    157,284.72x = 235,760.91 × 112,887.41
  4. Step 4: Simplify right side
    157,284.72x = 26,614,437,330.34
  5. Step 5: Solve for x
    x = 26,614,437,330.34/157,284.72
  6. Step 6: Final answer
    x = 169,211.84

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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.