Home / 147,275.52-203,233.28-80,207.36

Finding the Fourth Proportional to 147,275.52, 203,233.28 and 80,207.36

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Solution

The fourth proportional to 147,275.52, 203,233.28 and 80,207.36 is: 110,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,275.52 : 203,233.28 = 80,207.36 : x
  2. Step 2: Convert to fraction form
    147,275.52/203,233.28 = 80,207.36/x
  3. Step 3: Cross multiply
    147,275.52x = 203,233.28 × 80,207.36
  4. Step 4: Simplify right side
    147,275.52x = 16,300,804,852.94
  5. Step 5: Solve for x
    x = 16,300,804,852.94/147,275.52
  6. Step 6: Final answer
    x = 110,682.38

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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.