Home / 151,888.80-209,601.18-83,904.60

Finding the Fourth Proportional to 151,888.80, 209,601.18 and 83,904.60

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Solution

The fourth proportional to 151,888.80, 209,601.18 and 83,904.60 is: 115,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,888.80 : 209,601.18 = 83,904.60 : x
  2. Step 2: Convert to fraction form
    151,888.80/209,601.18 = 83,904.60/x
  3. Step 3: Cross multiply
    151,888.80x = 209,601.18 × 83,904.60
  4. Step 4: Simplify right side
    151,888.80x = 17,586,503,167.43
  5. Step 5: Solve for x
    x = 17,586,503,167.43/151,888.80
  6. Step 6: Final answer
    x = 115,785.38

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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.