Home / 155,299.20-232,948.80-148,082.10

Finding the Fourth Proportional to 155,299.20, 232,948.80 and 148,082.10

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Solution

The fourth proportional to 155,299.20, 232,948.80 and 148,082.10 is: 222,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,299.20 : 232,948.80 = 148,082.10 : x
  2. Step 2: Convert to fraction form
    155,299.20/232,948.80 = 148,082.10/x
  3. Step 3: Cross multiply
    155,299.20x = 232,948.80 × 148,082.10
  4. Step 4: Simplify right side
    155,299.20x = 34,495,547,496.48
  5. Step 5: Solve for x
    x = 34,495,547,496.48/155,299.20
  6. Step 6: Final answer
    x = 222,123.15

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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.