Home / 127,588.70-176,071.02-70,226.78

Finding the Fourth Proportional to 127,588.70, 176,071.02 and 70,226.78

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Solution

The fourth proportional to 127,588.70, 176,071.02 and 70,226.78 is: 96,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.70 : 176,071.02 = 70,226.78 : x
  2. Step 2: Convert to fraction form
    127,588.70/176,071.02 = 70,226.78/x
  3. Step 3: Cross multiply
    127,588.70x = 176,071.02 × 70,226.78
  4. Step 4: Simplify right side
    127,588.70x = 12,364,900,785.92
  5. Step 5: Solve for x
    x = 12,364,900,785.92/127,588.70
  6. Step 6: Final answer
    x = 96,912.19

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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.