Home / 140,213.03-193,492.98-76,550.83

Finding the Fourth Proportional to 140,213.03, 193,492.98 and 76,550.83

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Solution

The fourth proportional to 140,213.03, 193,492.98 and 76,550.83 is: 105,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.03 : 193,492.98 = 76,550.83 : x
  2. Step 2: Convert to fraction form
    140,213.03/193,492.98 = 76,550.83/x
  3. Step 3: Cross multiply
    140,213.03x = 193,492.98 × 76,550.83
  4. Step 4: Simplify right side
    140,213.03x = 14,812,047,250.71
  5. Step 5: Solve for x
    x = 14,812,047,250.71/140,213.03
  6. Step 6: Final answer
    x = 105,639.59

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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.