Home / 127,699.74-176,224.05-70,337.88

Finding the Fourth Proportional to 127,699.74, 176,224.05 and 70,337.88

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Solution

The fourth proportional to 127,699.74, 176,224.05 and 70,337.88 is: 97,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.74 : 176,224.05 = 70,337.88 : x
  2. Step 2: Convert to fraction form
    127,699.74/176,224.05 = 70,337.88/x
  3. Step 3: Cross multiply
    127,699.74x = 176,224.05 × 70,337.88
  4. Step 4: Simplify right side
    127,699.74x = 12,395,226,082.01
  5. Step 5: Solve for x
    x = 12,395,226,082.01/127,699.74
  6. Step 6: Final answer
    x = 97,065.40

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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.