Home / 127,388.45-175,821.55-97,119.70

Finding the Fourth Proportional to 127,388.45, 175,821.55 and 97,119.70

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Solution

The fourth proportional to 127,388.45, 175,821.55 and 97,119.70 is: 134,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,388.45 : 175,821.55 = 97,119.70 : x
  2. Step 2: Convert to fraction form
    127,388.45/175,821.55 = 97,119.70/x
  3. Step 3: Cross multiply
    127,388.45x = 175,821.55 × 97,119.70
  4. Step 4: Simplify right side
    127,388.45x = 17,075,735,507.18
  5. Step 5: Solve for x
    x = 17,075,735,507.18/127,388.45
  6. Step 6: Final answer
    x = 134,044.61

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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.