Home / 112,439.79-168,714.36-53,204.90

Finding the Fourth Proportional to 112,439.79, 168,714.36 and 53,204.90

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Solution

The fourth proportional to 112,439.79, 168,714.36 and 53,204.90 is: 79,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,439.79 : 168,714.36 = 53,204.90 : x
  2. Step 2: Convert to fraction form
    112,439.79/168,714.36 = 53,204.90/x
  3. Step 3: Cross multiply
    112,439.79x = 168,714.36 × 53,204.90
  4. Step 4: Simplify right side
    112,439.79x = 8,976,429,808.79
  5. Step 5: Solve for x
    x = 8,976,429,808.79/112,439.79
  6. Step 6: Final answer
    x = 79,833.21

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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.