Home / 126,056.32-187,685-124,291.08

Finding the Fourth Proportional to 126,056.32, 187,685 and 124,291.08

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Solution

The fourth proportional to 126,056.32, 187,685 and 124,291.08 is: 185,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,056.32 : 187,685 = 124,291.08 : x
  2. Step 2: Convert to fraction form
    126,056.32/187,685 = 124,291.08/x
  3. Step 3: Cross multiply
    126,056.32x = 187,685 × 124,291.08
  4. Step 4: Simplify right side
    126,056.32x = 23,327,571,349.80
  5. Step 5: Solve for x
    x = 23,327,571,349.80/126,056.32
  6. Step 6: Final answer
    x = 185,056.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.