Home / 285,216.20-393,603.02-156,152.52

Finding the Fourth Proportional to 285,216.20, 393,603.02 and 156,152.52

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Solution

The fourth proportional to 285,216.20, 393,603.02 and 156,152.52 is: 215,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,216.20 : 393,603.02 = 156,152.52 : x
  2. Step 2: Convert to fraction form
    285,216.20/393,603.02 = 156,152.52/x
  3. Step 3: Cross multiply
    285,216.20x = 393,603.02 × 156,152.52
  4. Step 4: Simplify right side
    285,216.20x = 61,462,103,452.61
  5. Step 5: Solve for x
    x = 61,462,103,452.61/285,216.20
  6. Step 6: Final answer
    x = 215,493.03

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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.