Home / 127,140.01-175,487.25-79,364.59

Finding the Fourth Proportional to 127,140.01, 175,487.25 and 79,364.59

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Solution

The fourth proportional to 127,140.01, 175,487.25 and 79,364.59 is: 109,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,140.01 : 175,487.25 = 79,364.59 : x
  2. Step 2: Convert to fraction form
    127,140.01/175,487.25 = 79,364.59/x
  3. Step 3: Cross multiply
    127,140.01x = 175,487.25 × 79,364.59
  4. Step 4: Simplify right side
    127,140.01x = 13,927,473,646.48
  5. Step 5: Solve for x
    x = 13,927,473,646.48/127,140.01
  6. Step 6: Final answer
    x = 109,544.38

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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.