Home / 661,947.20-992,959.20-188,667.20

Finding the Fourth Proportional to 661,947.20, 992,959.20 and 188,667.20

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Solution

The fourth proportional to 661,947.20, 992,959.20 and 188,667.20 is: 283,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,947.20 : 992,959.20 = 188,667.20 : x
  2. Step 2: Convert to fraction form
    661,947.20/992,959.20 = 188,667.20/x
  3. Step 3: Cross multiply
    661,947.20x = 992,959.20 × 188,667.20
  4. Step 4: Simplify right side
    661,947.20x = 187,338,831,978.24
  5. Step 5: Solve for x
    x = 187,338,831,978.24/661,947.20
  6. Step 6: Final answer
    x = 283,011.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.