Home / 240,121.36-331,358.56-132,689.16

Finding the Fourth Proportional to 240,121.36, 331,358.56 and 132,689.16

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Solution

The fourth proportional to 240,121.36, 331,358.56 and 132,689.16 is: 183,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,121.36 : 331,358.56 = 132,689.16 : x
  2. Step 2: Convert to fraction form
    240,121.36/331,358.56 = 132,689.16/x
  3. Step 3: Cross multiply
    240,121.36x = 331,358.56 × 132,689.16
  4. Step 4: Simplify right side
    240,121.36x = 43,967,688,985.21
  5. Step 5: Solve for x
    x = 43,967,688,985.21/240,121.36
  6. Step 6: Final answer
    x = 183,106.11

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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.