Home / 207,895.33-286,895.31-112,401.80

Finding the Fourth Proportional to 207,895.33, 286,895.31 and 112,401.80

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Solution

The fourth proportional to 207,895.33, 286,895.31 and 112,401.80 is: 155,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,895.33 : 286,895.31 = 112,401.80 : x
  2. Step 2: Convert to fraction form
    207,895.33/286,895.31 = 112,401.80/x
  3. Step 3: Cross multiply
    207,895.33x = 286,895.31 × 112,401.80
  4. Step 4: Simplify right side
    207,895.33x = 32,247,549,255.56
  5. Step 5: Solve for x
    x = 32,247,549,255.56/207,895.33
  6. Step 6: Final answer
    x = 155,114.35

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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.