Home / 127,704.40-176,236.08-70,347.88

Finding the Fourth Proportional to 127,704.40, 176,236.08 and 70,347.88

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Solution

The fourth proportional to 127,704.40, 176,236.08 and 70,347.88 is: 97,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.40 : 176,236.08 = 70,347.88 : x
  2. Step 2: Convert to fraction form
    127,704.40/176,236.08 = 70,347.88/x
  3. Step 3: Cross multiply
    127,704.40x = 176,236.08 × 70,347.88
  4. Step 4: Simplify right side
    127,704.40x = 12,397,834,607.51
  5. Step 5: Solve for x
    x = 12,397,834,607.51/127,704.40
  6. Step 6: Final answer
    x = 97,082.28

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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.