Home / 207,895.02-286,895.19-112,401.72

Finding the Fourth Proportional to 207,895.02, 286,895.19 and 112,401.72

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Solution

The fourth proportional to 207,895.02, 286,895.19 and 112,401.72 is: 155,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,895.02 : 286,895.19 = 112,401.72 : x
  2. Step 2: Convert to fraction form
    207,895.02/286,895.19 = 112,401.72/x
  3. Step 3: Cross multiply
    207,895.02x = 286,895.19 × 112,401.72
  4. Step 4: Simplify right side
    207,895.02x = 32,247,512,815.73
  5. Step 5: Solve for x
    x = 32,247,512,815.73/207,895.02
  6. Step 6: Final answer
    x = 155,114.41

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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.