Home / 127,744.56-176,280.50-70,381.85

Finding the Fourth Proportional to 127,744.56, 176,280.50 and 70,381.85

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Solution

The fourth proportional to 127,744.56, 176,280.50 and 70,381.85 is: 97,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,744.56 : 176,280.50 = 70,381.85 : x
  2. Step 2: Convert to fraction form
    127,744.56/176,280.50 = 70,381.85/x
  3. Step 3: Cross multiply
    127,744.56x = 176,280.50 × 70,381.85
  4. Step 4: Simplify right side
    127,744.56x = 12,406,947,003.48
  5. Step 5: Solve for x
    x = 12,406,947,003.48/127,744.56
  6. Step 6: Final answer
    x = 97,123.09

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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.