Home / 155,220.30-232,648.20-153,558.18

Finding the Fourth Proportional to 155,220.30, 232,648.20 and 153,558.18

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Solution

The fourth proportional to 155,220.30, 232,648.20 and 153,558.18 is: 230,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.30 : 232,648.20 = 153,558.18 : x
  2. Step 2: Convert to fraction form
    155,220.30/232,648.20 = 153,558.18/x
  3. Step 3: Cross multiply
    155,220.30x = 232,648.20 × 153,558.18
  4. Step 4: Simplify right side
    155,220.30x = 35,725,034,172.28
  5. Step 5: Solve for x
    x = 35,725,034,172.28/155,220.30
  6. Step 6: Final answer
    x = 230,156.97

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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.