Home / 343,727.20-515,590.80-94,434.40

Finding the Fourth Proportional to 343,727.20, 515,590.80 and 94,434.40

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Solution

The fourth proportional to 343,727.20, 515,590.80 and 94,434.40 is: 141,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,727.20 : 515,590.80 = 94,434.40 : x
  2. Step 2: Convert to fraction form
    343,727.20/515,590.80 = 94,434.40/x
  3. Step 3: Cross multiply
    343,727.20x = 515,590.80 × 94,434.40
  4. Step 4: Simplify right side
    343,727.20x = 48,689,507,843.52
  5. Step 5: Solve for x
    x = 48,689,507,843.52/343,727.20
  6. Step 6: Final answer
    x = 141,651.60

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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.