Home / 187,909.07-259,315.35-101,869.52

Finding the Fourth Proportional to 187,909.07, 259,315.35 and 101,869.52

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Solution

The fourth proportional to 187,909.07, 259,315.35 and 101,869.52 is: 140,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,909.07 : 259,315.35 = 101,869.52 : x
  2. Step 2: Convert to fraction form
    187,909.07/259,315.35 = 101,869.52/x
  3. Step 3: Cross multiply
    187,909.07x = 259,315.35 × 101,869.52
  4. Step 4: Simplify right side
    187,909.07x = 26,416,330,233.13
  5. Step 5: Solve for x
    x = 26,416,330,233.13/187,909.07
  6. Step 6: Final answer
    x = 140,580.39

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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.