Home / 127,855.53-176,441.85-70,496.91

Finding the Fourth Proportional to 127,855.53, 176,441.85 and 70,496.91

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Solution

The fourth proportional to 127,855.53, 176,441.85 and 70,496.91 is: 97,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.53 : 176,441.85 = 70,496.91 : x
  2. Step 2: Convert to fraction form
    127,855.53/176,441.85 = 70,496.91/x
  3. Step 3: Cross multiply
    127,855.53x = 176,441.85 × 70,496.91
  4. Step 4: Simplify right side
    127,855.53x = 12,438,605,219.68
  5. Step 5: Solve for x
    x = 12,438,605,219.68/127,855.53
  6. Step 6: Final answer
    x = 97,286.41

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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.