Home / 366,966.48-550,477.05-130,278.40

Finding the Fourth Proportional to 366,966.48, 550,477.05 and 130,278.40

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Solution

The fourth proportional to 366,966.48, 550,477.05 and 130,278.40 is: 195,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.48 : 550,477.05 = 130,278.40 : x
  2. Step 2: Convert to fraction form
    366,966.48/550,477.05 = 130,278.40/x
  3. Step 3: Cross multiply
    366,966.48x = 550,477.05 × 130,278.40
  4. Step 4: Simplify right side
    366,966.48x = 71,715,269,310.72
  5. Step 5: Solve for x
    x = 71,715,269,310.72/366,966.48
  6. Step 6: Final answer
    x = 195,427.30

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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.