Home / 140,210.04-193,481.64-76,535.04

Finding the Fourth Proportional to 140,210.04, 193,481.64 and 76,535.04

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Solution

The fourth proportional to 140,210.04, 193,481.64 and 76,535.04 is: 105,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.04 : 193,481.64 = 76,535.04 : x
  2. Step 2: Convert to fraction form
    140,210.04/193,481.64 = 76,535.04/x
  3. Step 3: Cross multiply
    140,210.04x = 193,481.64 × 76,535.04
  4. Step 4: Simplify right side
    140,210.04x = 14,808,125,056.67
  5. Step 5: Solve for x
    x = 14,808,125,056.67/140,210.04
  6. Step 6: Final answer
    x = 105,613.87

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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.