Home / 113,174.75-156,184.07-64,112.34

Finding the Fourth Proportional to 113,174.75, 156,184.07 and 64,112.34

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Solution

The fourth proportional to 113,174.75, 156,184.07 and 64,112.34 is: 88,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,174.75 : 156,184.07 = 64,112.34 : x
  2. Step 2: Convert to fraction form
    113,174.75/156,184.07 = 64,112.34/x
  3. Step 3: Cross multiply
    113,174.75x = 156,184.07 × 64,112.34
  4. Step 4: Simplify right side
    113,174.75x = 10,013,326,463.55
  5. Step 5: Solve for x
    x = 10,013,326,463.55/113,174.75
  6. Step 6: Final answer
    x = 88,476.68

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1.5x scale

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.