Home / 126,245.04-174,223.80-72,547.44

Finding the Fourth Proportional to 126,245.04, 174,223.80 and 72,547.44

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Solution

The fourth proportional to 126,245.04, 174,223.80 and 72,547.44 is: 100,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,245.04 : 174,223.80 = 72,547.44 : x
  2. Step 2: Convert to fraction form
    126,245.04/174,223.80 = 72,547.44/x
  3. Step 3: Cross multiply
    126,245.04x = 174,223.80 × 72,547.44
  4. Step 4: Simplify right side
    126,245.04x = 12,639,490,677.07
  5. Step 5: Solve for x
    x = 12,639,490,677.07/126,245.04
  6. Step 6: Final answer
    x = 100,118.71

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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.