Home / 96,253.02-143,420.18-85,778.10

Finding the Fourth Proportional to 96,253.02, 143,420.18 and 85,778.10

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Solution

The fourth proportional to 96,253.02, 143,420.18 and 85,778.10 is: 127,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,253.02 : 143,420.18 = 85,778.10 : x
  2. Step 2: Convert to fraction form
    96,253.02/143,420.18 = 85,778.10/x
  3. Step 3: Cross multiply
    96,253.02x = 143,420.18 × 85,778.10
  4. Step 4: Simplify right side
    96,253.02x = 12,302,310,113.17
  5. Step 5: Solve for x
    x = 12,302,310,113.17/96,253.02
  6. Step 6: Final answer
    x = 127,812.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.