Home / 156,636.02-216,151.92-85,014.51

Finding the Fourth Proportional to 156,636.02, 216,151.92 and 85,014.51

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Solution

The fourth proportional to 156,636.02, 216,151.92 and 85,014.51 is: 117,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.02 : 216,151.92 = 85,014.51 : x
  2. Step 2: Convert to fraction form
    156,636.02/216,151.92 = 85,014.51/x
  3. Step 3: Cross multiply
    156,636.02x = 216,151.92 × 85,014.51
  4. Step 4: Simplify right side
    156,636.02x = 18,376,048,753.79
  5. Step 5: Solve for x
    x = 18,376,048,753.79/156,636.02
  6. Step 6: Final answer
    x = 117,316.88

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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.