Home / 192,196.74-288,296.13-126,055.71

Finding the Fourth Proportional to 192,196.74, 288,296.13 and 126,055.71

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Solution

The fourth proportional to 192,196.74, 288,296.13 and 126,055.71 is: 189,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,196.74 : 288,296.13 = 126,055.71 : x
  2. Step 2: Convert to fraction form
    192,196.74/288,296.13 = 126,055.71/x
  3. Step 3: Cross multiply
    192,196.74x = 288,296.13 × 126,055.71
  4. Step 4: Simplify right side
    192,196.74x = 36,341,373,357.40
  5. Step 5: Solve for x
    x = 36,341,373,357.40/192,196.74
  6. Step 6: Final answer
    x = 189,084.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.