Home / 240,672.14-332,132.37-143,975.72

Finding the Fourth Proportional to 240,672.14, 332,132.37 and 143,975.72

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Solution

The fourth proportional to 240,672.14, 332,132.37 and 143,975.72 is: 198,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672.14 : 332,132.37 = 143,975.72 : x
  2. Step 2: Convert to fraction form
    240,672.14/332,132.37 = 143,975.72/x
  3. Step 3: Cross multiply
    240,672.14x = 332,132.37 × 143,975.72
  4. Step 4: Simplify right side
    240,672.14x = 47,818,997,106.06
  5. Step 5: Solve for x
    x = 47,818,997,106.06/240,672.14
  6. Step 6: Final answer
    x = 198,689.38

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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.