Home / 140,214.05-193,498.70-76,552.30

Finding the Fourth Proportional to 140,214.05, 193,498.70 and 76,552.30

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Solution

The fourth proportional to 140,214.05, 193,498.70 and 76,552.30 is: 105,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.05 : 193,498.70 = 76,552.30 : x
  2. Step 2: Convert to fraction form
    140,214.05/193,498.70 = 76,552.30/x
  3. Step 3: Cross multiply
    140,214.05x = 193,498.70 × 76,552.30
  4. Step 4: Simplify right side
    140,214.05x = 14,812,770,532.01
  5. Step 5: Solve for x
    x = 14,812,770,532.01/140,214.05
  6. Step 6: Final answer
    x = 105,643.98

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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.