Home / 151,537.57-209,080.83-86,125.48

Finding the Fourth Proportional to 151,537.57, 209,080.83 and 86,125.48

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Solution

The fourth proportional to 151,537.57, 209,080.83 and 86,125.48 is: 118,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,537.57 : 209,080.83 = 86,125.48 : x
  2. Step 2: Convert to fraction form
    151,537.57/209,080.83 = 86,125.48/x
  3. Step 3: Cross multiply
    151,537.57x = 209,080.83 × 86,125.48
  4. Step 4: Simplify right side
    151,537.57x = 18,007,186,842.55
  5. Step 5: Solve for x
    x = 18,007,186,842.55/151,537.57
  6. Step 6: Final answer
    x = 118,829.85

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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.