Home / 156,777.02-216,442.06-103,217.73

Finding the Fourth Proportional to 156,777.02, 216,442.06 and 103,217.73

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Solution

The fourth proportional to 156,777.02, 216,442.06 and 103,217.73 is: 142,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.02 : 216,442.06 = 103,217.73 : x
  2. Step 2: Convert to fraction form
    156,777.02/216,442.06 = 103,217.73/x
  3. Step 3: Cross multiply
    156,777.02x = 216,442.06 × 103,217.73
  4. Step 4: Simplify right side
    156,777.02x = 22,340,657,735.41
  5. Step 5: Solve for x
    x = 22,340,657,735.41/156,777.02
  6. Step 6: Final answer
    x = 142,499.57

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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.