Home / 147,794.02-203,882.67-87,335.42

Finding the Fourth Proportional to 147,794.02, 203,882.67 and 87,335.42

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Solution

The fourth proportional to 147,794.02, 203,882.67 and 87,335.42 is: 120,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,794.02 : 203,882.67 = 87,335.42 : x
  2. Step 2: Convert to fraction form
    147,794.02/203,882.67 = 87,335.42/x
  3. Step 3: Cross multiply
    147,794.02x = 203,882.67 × 87,335.42
  4. Step 4: Simplify right side
    147,794.02x = 17,806,178,615.17
  5. Step 5: Solve for x
    x = 17,806,178,615.17/147,794.02
  6. Step 6: Final answer
    x = 120,479.70

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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.