Home / 136,019.04-187,702.53-75,588.14

Finding the Fourth Proportional to 136,019.04, 187,702.53 and 75,588.14

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Solution

The fourth proportional to 136,019.04, 187,702.53 and 75,588.14 is: 104,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.04 : 187,702.53 = 75,588.14 : x
  2. Step 2: Convert to fraction form
    136,019.04/187,702.53 = 75,588.14/x
  3. Step 3: Cross multiply
    136,019.04x = 187,702.53 × 75,588.14
  4. Step 4: Simplify right side
    136,019.04x = 14,188,084,177.48
  5. Step 5: Solve for x
    x = 14,188,084,177.48/136,019.04
  6. Step 6: Final answer
    x = 104,309.55

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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.