Home / 126,225.40-174,199.50-72,527.80

Finding the Fourth Proportional to 126,225.40, 174,199.50 and 72,527.80

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Solution

The fourth proportional to 126,225.40, 174,199.50 and 72,527.80 is: 100,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225.40 : 174,199.50 = 72,527.80 : x
  2. Step 2: Convert to fraction form
    126,225.40/174,199.50 = 72,527.80/x
  3. Step 3: Cross multiply
    126,225.40x = 174,199.50 × 72,527.80
  4. Step 4: Simplify right side
    126,225.40x = 12,634,306,496.10
  5. Step 5: Solve for x
    x = 12,634,306,496.10/126,225.40
  6. Step 6: Final answer
    x = 100,093.22

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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.