Home / 248,302.78-342,665.61-140,877.34

Finding the Fourth Proportional to 248,302.78, 342,665.61 and 140,877.34

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Solution

The fourth proportional to 248,302.78, 342,665.61 and 140,877.34 is: 194,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,302.78 : 342,665.61 = 140,877.34 : x
  2. Step 2: Convert to fraction form
    248,302.78/342,665.61 = 140,877.34/x
  3. Step 3: Cross multiply
    248,302.78x = 342,665.61 × 140,877.34
  4. Step 4: Simplify right side
    248,302.78x = 48,273,819,646.28
  5. Step 5: Solve for x
    x = 48,273,819,646.28/248,302.78
  6. Step 6: Final answer
    x = 194,415.14

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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.