Home / 126,911.61-175,133.14-73,206.18

Finding the Fourth Proportional to 126,911.61, 175,133.14 and 73,206.18

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Solution

The fourth proportional to 126,911.61, 175,133.14 and 73,206.18 is: 101,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.61 : 175,133.14 = 73,206.18 : x
  2. Step 2: Convert to fraction form
    126,911.61/175,133.14 = 73,206.18/x
  3. Step 3: Cross multiply
    126,911.61x = 175,133.14 × 73,206.18
  4. Step 4: Simplify right side
    126,911.61x = 12,820,827,987.79
  5. Step 5: Solve for x
    x = 12,820,827,987.79/126,911.61
  6. Step 6: Final answer
    x = 101,021.71

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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.