Home / 366,869.10-550,400.85-130,187.10

Finding the Fourth Proportional to 366,869.10, 550,400.85 and 130,187.10

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Solution

The fourth proportional to 366,869.10, 550,400.85 and 130,187.10 is: 195,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,869.10 : 550,400.85 = 130,187.10 : x
  2. Step 2: Convert to fraction form
    366,869.10/550,400.85 = 130,187.10/x
  3. Step 3: Cross multiply
    366,869.10x = 550,400.85 × 130,187.10
  4. Step 4: Simplify right side
    366,869.10x = 71,655,090,499.04
  5. Step 5: Solve for x
    x = 71,655,090,499.04/366,869.10
  6. Step 6: Final answer
    x = 195,315.14

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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.