Home / 342,013.47-472,025.51-196,816.28

Finding the Fourth Proportional to 342,013.47, 472,025.51 and 196,816.28

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Solution

The fourth proportional to 342,013.47, 472,025.51 and 196,816.28 is: 271,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,013.47 : 472,025.51 = 196,816.28 : x
  2. Step 2: Convert to fraction form
    342,013.47/472,025.51 = 196,816.28/x
  3. Step 3: Cross multiply
    342,013.47x = 472,025.51 × 196,816.28
  4. Step 4: Simplify right side
    342,013.47x = 92,902,301,599.09
  5. Step 5: Solve for x
    x = 92,902,301,599.09/342,013.47
  6. Step 6: Final answer
    x = 271,633.46

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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.