Home / 127,177.94-175,505.65-76,220.25

Finding the Fourth Proportional to 127,177.94, 175,505.65 and 76,220.25

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Solution

The fourth proportional to 127,177.94, 175,505.65 and 76,220.25 is: 105,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,177.94 : 175,505.65 = 76,220.25 : x
  2. Step 2: Convert to fraction form
    127,177.94/175,505.65 = 76,220.25/x
  3. Step 3: Cross multiply
    127,177.94x = 175,505.65 × 76,220.25
  4. Step 4: Simplify right side
    127,177.94x = 13,377,084,519.41
  5. Step 5: Solve for x
    x = 13,377,084,519.41/127,177.94
  6. Step 6: Final answer
    x = 105,184.00

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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.