Home / 175,541.40-263,312.10-172,042.20

Finding the Fourth Proportional to 175,541.40, 263,312.10 and 172,042.20

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Solution

The fourth proportional to 175,541.40, 263,312.10 and 172,042.20 is: 258,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,541.40 : 263,312.10 = 172,042.20 : x
  2. Step 2: Convert to fraction form
    175,541.40/263,312.10 = 172,042.20/x
  3. Step 3: Cross multiply
    175,541.40x = 263,312.10 × 172,042.20
  4. Step 4: Simplify right side
    175,541.40x = 45,300,792,970.62
  5. Step 5: Solve for x
    x = 45,300,792,970.62/175,541.40
  6. Step 6: Final answer
    x = 258,063.30

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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.