Home / 346,123.50-519,240.12-146,445.39

Finding the Fourth Proportional to 346,123.50, 519,240.12 and 146,445.39

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Solution

The fourth proportional to 346,123.50, 519,240.12 and 146,445.39 is: 219,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,123.50 : 519,240.12 = 146,445.39 : x
  2. Step 2: Convert to fraction form
    346,123.50/519,240.12 = 146,445.39/x
  3. Step 3: Cross multiply
    346,123.50x = 519,240.12 × 146,445.39
  4. Step 4: Simplify right side
    346,123.50x = 76,040,321,877.05
  5. Step 5: Solve for x
    x = 76,040,321,877.05/346,123.50
  6. Step 6: Final answer
    x = 219,691.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.