Home / 126,266.14-174,277.10-72,582.30

Finding the Fourth Proportional to 126,266.14, 174,277.10 and 72,582.30

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Solution

The fourth proportional to 126,266.14, 174,277.10 and 72,582.30 is: 100,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,266.14 : 174,277.10 = 72,582.30 : x
  2. Step 2: Convert to fraction form
    126,266.14/174,277.10 = 72,582.30/x
  3. Step 3: Cross multiply
    126,266.14x = 174,277.10 × 72,582.30
  4. Step 4: Simplify right side
    126,266.14x = 12,649,432,392.42
  5. Step 5: Solve for x
    x = 12,649,432,392.42/126,266.14
  6. Step 6: Final answer
    x = 100,180.72

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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.