Home / 151,535.53-209,120.16-83,554.93

Finding the Fourth Proportional to 151,535.53, 209,120.16 and 83,554.93

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Solution

The fourth proportional to 151,535.53, 209,120.16 and 83,554.93 is: 115,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,535.53 : 209,120.16 = 83,554.93 : x
  2. Step 2: Convert to fraction form
    151,535.53/209,120.16 = 83,554.93/x
  3. Step 3: Cross multiply
    151,535.53x = 209,120.16 × 83,554.93
  4. Step 4: Simplify right side
    151,535.53x = 17,473,020,330.39
  5. Step 5: Solve for x
    x = 17,473,020,330.39/151,535.53
  6. Step 6: Final answer
    x = 115,306.43

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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.