Home / 257,024.60-354,693.90-143,847.35

Finding the Fourth Proportional to 257,024.60, 354,693.90 and 143,847.35

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Solution

The fourth proportional to 257,024.60, 354,693.90 and 143,847.35 is: 198,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,024.60 : 354,693.90 = 143,847.35 : x
  2. Step 2: Convert to fraction form
    257,024.60/354,693.90 = 143,847.35/x
  3. Step 3: Cross multiply
    257,024.60x = 354,693.90 × 143,847.35
  4. Step 4: Simplify right side
    257,024.60x = 51,021,777,576.17
  5. Step 5: Solve for x
    x = 51,021,777,576.17/257,024.60
  6. Step 6: Final answer
    x = 198,509.32

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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.