Home / 113,339.22-156,398.47-65,595.52

Finding the Fourth Proportional to 113,339.22, 156,398.47 and 65,595.52

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Solution

The fourth proportional to 113,339.22, 156,398.47 and 65,595.52 is: 90,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,339.22 : 156,398.47 = 65,595.52 : x
  2. Step 2: Convert to fraction form
    113,339.22/156,398.47 = 65,595.52/x
  3. Step 3: Cross multiply
    113,339.22x = 156,398.47 × 65,595.52
  4. Step 4: Simplify right side
    113,339.22x = 10,259,038,966.85
  5. Step 5: Solve for x
    x = 10,259,038,966.85/113,339.22
  6. Step 6: Final answer
    x = 90,516.23

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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.