Home / 127,671.75-176,188.23-71,084.34

Finding the Fourth Proportional to 127,671.75, 176,188.23 and 71,084.34

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Solution

The fourth proportional to 127,671.75, 176,188.23 and 71,084.34 is: 98,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,671.75 : 176,188.23 = 71,084.34 : x
  2. Step 2: Convert to fraction form
    127,671.75/176,188.23 = 71,084.34/x
  3. Step 3: Cross multiply
    127,671.75x = 176,188.23 × 71,084.34
  4. Step 4: Simplify right side
    127,671.75x = 12,524,224,045.32
  5. Step 5: Solve for x
    x = 12,524,224,045.32/127,671.75
  6. Step 6: Final answer
    x = 98,097.07

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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.