Home / 140,795.10-211,061.43-70,592.40

Finding the Fourth Proportional to 140,795.10, 211,061.43 and 70,592.40

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Solution

The fourth proportional to 140,795.10, 211,061.43 and 70,592.40 is: 105,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.10 : 211,061.43 = 70,592.40 : x
  2. Step 2: Convert to fraction form
    140,795.10/211,061.43 = 70,592.40/x
  3. Step 3: Cross multiply
    140,795.10x = 211,061.43 × 70,592.40
  4. Step 4: Simplify right side
    140,795.10x = 14,899,332,891.13
  5. Step 5: Solve for x
    x = 14,899,332,891.13/140,795.10
  6. Step 6: Final answer
    x = 105,822.81

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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.