Home / 140,276.60-193,585.90-76,617.40

Finding the Fourth Proportional to 140,276.60, 193,585.90 and 76,617.40

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Solution

The fourth proportional to 140,276.60, 193,585.90 and 76,617.40 is: 105,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,276.60 : 193,585.90 = 76,617.40 : x
  2. Step 2: Convert to fraction form
    140,276.60/193,585.90 = 76,617.40/x
  3. Step 3: Cross multiply
    140,276.60x = 193,585.90 × 76,617.40
  4. Step 4: Simplify right side
    140,276.60x = 14,832,048,334.66
  5. Step 5: Solve for x
    x = 14,832,048,334.66/140,276.60
  6. Step 6: Final answer
    x = 105,734.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.