Home / 286,184.26-429,276.39-99,195.76

Finding the Fourth Proportional to 286,184.26, 429,276.39 and 99,195.76

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Solution

The fourth proportional to 286,184.26, 429,276.39 and 99,195.76 is: 148,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,184.26 : 429,276.39 = 99,195.76 : x
  2. Step 2: Convert to fraction form
    286,184.26/429,276.39 = 99,195.76/x
  3. Step 3: Cross multiply
    286,184.26x = 429,276.39 × 99,195.76
  4. Step 4: Simplify right side
    286,184.26x = 42,582,397,756.11
  5. Step 5: Solve for x
    x = 42,582,397,756.11/286,184.26
  6. Step 6: Final answer
    x = 148,793.64

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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.