Home / 130,255.68-179,752.14-72,895.08

Finding the Fourth Proportional to 130,255.68, 179,752.14 and 72,895.08

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Solution

The fourth proportional to 130,255.68, 179,752.14 and 72,895.08 is: 100,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,255.68 : 179,752.14 = 72,895.08 : x
  2. Step 2: Convert to fraction form
    130,255.68/179,752.14 = 72,895.08/x
  3. Step 3: Cross multiply
    130,255.68x = 179,752.14 × 72,895.08
  4. Step 4: Simplify right side
    130,255.68x = 13,103,046,625.47
  5. Step 5: Solve for x
    x = 13,103,046,625.47/130,255.68
  6. Step 6: Final answer
    x = 100,594.82

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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.