Home / 237,880.22-328,279.21-130,443.84

Finding the Fourth Proportional to 237,880.22, 328,279.21 and 130,443.84

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Solution

The fourth proportional to 237,880.22, 328,279.21 and 130,443.84 is: 180,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,880.22 : 328,279.21 = 130,443.84 : x
  2. Step 2: Convert to fraction form
    237,880.22/328,279.21 = 130,443.84/x
  3. Step 3: Cross multiply
    237,880.22x = 328,279.21 × 130,443.84
  4. Step 4: Simplify right side
    237,880.22x = 42,822,000,744.57
  5. Step 5: Solve for x
    x = 42,822,000,744.57/237,880.22
  6. Step 6: Final answer
    x = 180,014.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.