Home / 304,861.20-457,291.80-94,520.40

Finding the Fourth Proportional to 304,861.20, 457,291.80 and 94,520.40

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Solution

The fourth proportional to 304,861.20, 457,291.80 and 94,520.40 is: 141,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,861.20 : 457,291.80 = 94,520.40 : x
  2. Step 2: Convert to fraction form
    304,861.20/457,291.80 = 94,520.40/x
  3. Step 3: Cross multiply
    304,861.20x = 457,291.80 × 94,520.40
  4. Step 4: Simplify right side
    304,861.20x = 43,223,403,852.72
  5. Step 5: Solve for x
    x = 43,223,403,852.72/304,861.20
  6. Step 6: Final answer
    x = 141,780.60

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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.