Home / 155,628.60-233,442.90-154,644.45

Finding the Fourth Proportional to 155,628.60, 233,442.90 and 154,644.45

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Solution

The fourth proportional to 155,628.60, 233,442.90 and 154,644.45 is: 231,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,628.60 : 233,442.90 = 154,644.45 : x
  2. Step 2: Convert to fraction form
    155,628.60/233,442.90 = 154,644.45/x
  3. Step 3: Cross multiply
    155,628.60x = 233,442.90 × 154,644.45
  4. Step 4: Simplify right side
    155,628.60x = 36,100,648,876.91
  5. Step 5: Solve for x
    x = 36,100,648,876.91/155,628.60
  6. Step 6: Final answer
    x = 231,966.68

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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.