Home / 147,346.20-220,436.10-127,841.40

Finding the Fourth Proportional to 147,346.20, 220,436.10 and 127,841.40

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Solution

The fourth proportional to 147,346.20, 220,436.10 and 127,841.40 is: 191,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,346.20 : 220,436.10 = 127,841.40 : x
  2. Step 2: Convert to fraction form
    147,346.20/220,436.10 = 127,841.40/x
  3. Step 3: Cross multiply
    147,346.20x = 220,436.10 × 127,841.40
  4. Step 4: Simplify right side
    147,346.20x = 28,180,859,634.54
  5. Step 5: Solve for x
    x = 28,180,859,634.54/147,346.20
  6. Step 6: Final answer
    x = 191,256.10

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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.