Home / 136,014.26-187,700.71-75,590.57

Finding the Fourth Proportional to 136,014.26, 187,700.71 and 75,590.57

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Solution

The fourth proportional to 136,014.26, 187,700.71 and 75,590.57 is: 104,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.26 : 187,700.71 = 75,590.57 : x
  2. Step 2: Convert to fraction form
    136,014.26/187,700.71 = 75,590.57/x
  3. Step 3: Cross multiply
    136,014.26x = 187,700.71 × 75,590.57
  4. Step 4: Simplify right side
    136,014.26x = 14,188,402,530.82
  5. Step 5: Solve for x
    x = 14,188,402,530.82/136,014.26
  6. Step 6: Final answer
    x = 104,315.56

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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.