Home / 360,109.20-540,152.18-107,391.79

Finding the Fourth Proportional to 360,109.20, 540,152.18 and 107,391.79

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Solution

The fourth proportional to 360,109.20, 540,152.18 and 107,391.79 is: 161,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,109.20 : 540,152.18 = 107,391.79 : x
  2. Step 2: Convert to fraction form
    360,109.20/540,152.18 = 107,391.79/x
  3. Step 3: Cross multiply
    360,109.20x = 540,152.18 × 107,391.79
  4. Step 4: Simplify right side
    360,109.20x = 58,007,909,482.60
  5. Step 5: Solve for x
    x = 58,007,909,482.60/360,109.20
  6. Step 6: Final answer
    x = 161,084.22

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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.