Home / 140,036.52-193,281.66-89,039.28

Finding the Fourth Proportional to 140,036.52, 193,281.66 and 89,039.28

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Solution

The fourth proportional to 140,036.52, 193,281.66 and 89,039.28 is: 122,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,036.52 : 193,281.66 = 89,039.28 : x
  2. Step 2: Convert to fraction form
    140,036.52/193,281.66 = 89,039.28/x
  3. Step 3: Cross multiply
    140,036.52x = 193,281.66 × 89,039.28
  4. Step 4: Simplify right side
    140,036.52x = 17,209,659,843.60
  5. Step 5: Solve for x
    x = 17,209,659,843.60/140,036.52
  6. Step 6: Final answer
    x = 122,894.08

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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.