Home / 127,164.24-175,518.90-86,894.28

Finding the Fourth Proportional to 127,164.24, 175,518.90 and 86,894.28

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Solution

The fourth proportional to 127,164.24, 175,518.90 and 86,894.28 is: 119,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,164.24 : 175,518.90 = 86,894.28 : x
  2. Step 2: Convert to fraction form
    127,164.24/175,518.90 = 86,894.28/x
  3. Step 3: Cross multiply
    127,164.24x = 175,518.90 × 86,894.28
  4. Step 4: Simplify right side
    127,164.24x = 15,251,588,441.89
  5. Step 5: Solve for x
    x = 15,251,588,441.89/127,164.24
  6. Step 6: Final answer
    x = 119,936.14

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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.