Home / 113,652.78-156,908.04-101,042.64

Finding the Fourth Proportional to 113,652.78, 156,908.04 and 101,042.64

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Solution

The fourth proportional to 113,652.78, 156,908.04 and 101,042.64 is: 139,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,652.78 : 156,908.04 = 101,042.64 : x
  2. Step 2: Convert to fraction form
    113,652.78/156,908.04 = 101,042.64/x
  3. Step 3: Cross multiply
    113,652.78x = 156,908.04 × 101,042.64
  4. Step 4: Simplify right side
    113,652.78x = 15,854,402,598.83
  5. Step 5: Solve for x
    x = 15,854,402,598.83/113,652.78
  6. Step 6: Final answer
    x = 139,498.59

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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.