Home / 127,796.16-176,186.70-89,504.04

Finding the Fourth Proportional to 127,796.16, 176,186.70 and 89,504.04

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Solution

The fourth proportional to 127,796.16, 176,186.70 and 89,504.04 is: 123,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.16 : 176,186.70 = 89,504.04 : x
  2. Step 2: Convert to fraction form
    127,796.16/176,186.70 = 89,504.04/x
  3. Step 3: Cross multiply
    127,796.16x = 176,186.70 × 89,504.04
  4. Step 4: Simplify right side
    127,796.16x = 15,769,421,444.27
  5. Step 5: Solve for x
    x = 15,769,421,444.27/127,796.16
  6. Step 6: Final answer
    x = 123,395.11

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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.