Home / 151,654.19-209,281.46-83,671.79

Finding the Fourth Proportional to 151,654.19, 209,281.46 and 83,671.79

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Solution

The fourth proportional to 151,654.19, 209,281.46 and 83,671.79 is: 115,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,654.19 : 209,281.46 = 83,671.79 : x
  2. Step 2: Convert to fraction form
    151,654.19/209,281.46 = 83,671.79/x
  3. Step 3: Cross multiply
    151,654.19x = 209,281.46 × 83,671.79
  4. Step 4: Simplify right side
    151,654.19x = 17,510,952,907.25
  5. Step 5: Solve for x
    x = 17,510,952,907.25/151,654.19
  6. Step 6: Final answer
    x = 115,466.33

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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.