Home / 127,874.37-176,462.76-70,513.66

Finding the Fourth Proportional to 127,874.37, 176,462.76 and 70,513.66

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Solution

The fourth proportional to 127,874.37, 176,462.76 and 70,513.66 is: 97,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.37 : 176,462.76 = 70,513.66 : x
  2. Step 2: Convert to fraction form
    127,874.37/176,462.76 = 70,513.66/x
  3. Step 3: Cross multiply
    127,874.37x = 176,462.76 × 70,513.66
  4. Step 4: Simplify right side
    127,874.37x = 12,443,035,546.31
  5. Step 5: Solve for x
    x = 12,443,035,546.31/127,874.37
  6. Step 6: Final answer
    x = 97,306.72

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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.