Home / 130,279.24-195,204.20-119,384.74

Finding the Fourth Proportional to 130,279.24, 195,204.20 and 119,384.74

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Solution

The fourth proportional to 130,279.24, 195,204.20 and 119,384.74 is: 178,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,279.24 : 195,204.20 = 119,384.74 : x
  2. Step 2: Convert to fraction form
    130,279.24/195,204.20 = 119,384.74/x
  3. Step 3: Cross multiply
    130,279.24x = 195,204.20 × 119,384.74
  4. Step 4: Simplify right side
    130,279.24x = 23,304,401,687.89
  5. Step 5: Solve for x
    x = 23,304,401,687.89/130,279.24
  6. Step 6: Final answer
    x = 178,880.40

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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.