Home / 195,919.48-270,061.80-127,816.28

Finding the Fourth Proportional to 195,919.48, 270,061.80 and 127,816.28

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Solution

The fourth proportional to 195,919.48, 270,061.80 and 127,816.28 is: 176,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,919.48 : 270,061.80 = 127,816.28 : x
  2. Step 2: Convert to fraction form
    195,919.48/270,061.80 = 127,816.28/x
  3. Step 3: Cross multiply
    195,919.48x = 270,061.80 × 127,816.28
  4. Step 4: Simplify right side
    195,919.48x = 34,518,294,646.10
  5. Step 5: Solve for x
    x = 34,518,294,646.10/195,919.48
  6. Step 6: Final answer
    x = 176,186.13

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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.