Home / 282,213.20-423,319.80-124,360.40

Finding the Fourth Proportional to 282,213.20, 423,319.80 and 124,360.40

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Solution

The fourth proportional to 282,213.20, 423,319.80 and 124,360.40 is: 186,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,213.20 : 423,319.80 = 124,360.40 : x
  2. Step 2: Convert to fraction form
    282,213.20/423,319.80 = 124,360.40/x
  3. Step 3: Cross multiply
    282,213.20x = 423,319.80 × 124,360.40
  4. Step 4: Simplify right side
    282,213.20x = 52,644,219,655.92
  5. Step 5: Solve for x
    x = 52,644,219,655.92/282,213.20
  6. Step 6: Final answer
    x = 186,540.60

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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.