Home / 186,401.16-279,600.39-111,542.04

Finding the Fourth Proportional to 186,401.16, 279,600.39 and 111,542.04

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Solution

The fourth proportional to 186,401.16, 279,600.39 and 111,542.04 is: 167,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,401.16 : 279,600.39 = 111,542.04 : x
  2. Step 2: Convert to fraction form
    186,401.16/279,600.39 = 111,542.04/x
  3. Step 3: Cross multiply
    186,401.16x = 279,600.39 × 111,542.04
  4. Step 4: Simplify right side
    186,401.16x = 31,187,197,885.40
  5. Step 5: Solve for x
    x = 31,187,197,885.40/186,401.16
  6. Step 6: Final answer
    x = 167,312.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.