Home / 170,713.60-256,216.20-76,089.40

Finding the Fourth Proportional to 170,713.60, 256,216.20 and 76,089.40

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Solution

The fourth proportional to 170,713.60, 256,216.20 and 76,089.40 is: 114,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,713.60 : 256,216.20 = 76,089.40 : x
  2. Step 2: Convert to fraction form
    170,713.60/256,216.20 = 76,089.40/x
  3. Step 3: Cross multiply
    170,713.60x = 256,216.20 × 76,089.40
  4. Step 4: Simplify right side
    170,713.60x = 19,495,336,928.28
  5. Step 5: Solve for x
    x = 19,495,336,928.28/170,713.60
  6. Step 6: Final answer
    x = 114,199.09

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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.