Home / 238,445.90-329,083.96-143,005.10

Finding the Fourth Proportional to 238,445.90, 329,083.96 and 143,005.10

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Solution

The fourth proportional to 238,445.90, 329,083.96 and 143,005.10 is: 197,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,445.90 : 329,083.96 = 143,005.10 : x
  2. Step 2: Convert to fraction form
    238,445.90/329,083.96 = 143,005.10/x
  3. Step 3: Cross multiply
    238,445.90x = 329,083.96 × 143,005.10
  4. Step 4: Simplify right side
    238,445.90x = 47,060,684,608.20
  5. Step 5: Solve for x
    x = 47,060,684,608.20/238,445.90
  6. Step 6: Final answer
    x = 197,364.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.