Home / 127,752.09-176,295.60-71,162.25

Finding the Fourth Proportional to 127,752.09, 176,295.60 and 71,162.25

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Solution

The fourth proportional to 127,752.09, 176,295.60 and 71,162.25 is: 98,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.09 : 176,295.60 = 71,162.25 : x
  2. Step 2: Convert to fraction form
    127,752.09/176,295.60 = 71,162.25/x
  3. Step 3: Cross multiply
    127,752.09x = 176,295.60 × 71,162.25
  4. Step 4: Simplify right side
    127,752.09x = 12,545,591,561.10
  5. Step 5: Solve for x
    x = 12,545,591,561.10/127,752.09
  6. Step 6: Final answer
    x = 98,202.63

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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.