Home / 151,816.86-209,508.94-83,833.74

Finding the Fourth Proportional to 151,816.86, 209,508.94 and 83,833.74

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Solution

The fourth proportional to 151,816.86, 209,508.94 and 83,833.74 is: 115,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,816.86 : 209,508.94 = 83,833.74 : x
  2. Step 2: Convert to fraction form
    151,816.86/209,508.94 = 83,833.74/x
  3. Step 3: Cross multiply
    151,816.86x = 209,508.94 × 83,833.74
  4. Step 4: Simplify right side
    151,816.86x = 17,563,918,003.64
  5. Step 5: Solve for x
    x = 17,563,918,003.64/151,816.86
  6. Step 6: Final answer
    x = 115,691.49

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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.