Home / 240,243.09-331,510.10-132,795.78

Finding the Fourth Proportional to 240,243.09, 331,510.10 and 132,795.78

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Solution

The fourth proportional to 240,243.09, 331,510.10 and 132,795.78 is: 183,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,243.09 : 331,510.10 = 132,795.78 : x
  2. Step 2: Convert to fraction form
    240,243.09/331,510.10 = 132,795.78/x
  3. Step 3: Cross multiply
    240,243.09x = 331,510.10 × 132,795.78
  4. Step 4: Simplify right side
    240,243.09x = 44,023,141,643.40
  5. Step 5: Solve for x
    x = 44,023,141,643.40/240,243.09
  6. Step 6: Final answer
    x = 183,244.15

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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.