Home / 257,095.60-354,788.04-143,922.40

Finding the Fourth Proportional to 257,095.60, 354,788.04 and 143,922.40

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Solution

The fourth proportional to 257,095.60, 354,788.04 and 143,922.40 is: 198,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,095.60 : 354,788.04 = 143,922.40 : x
  2. Step 2: Convert to fraction form
    257,095.60/354,788.04 = 143,922.40/x
  3. Step 3: Cross multiply
    257,095.60x = 354,788.04 × 143,922.40
  4. Step 4: Simplify right side
    257,095.60x = 51,061,946,208.10
  5. Step 5: Solve for x
    x = 51,061,946,208.10/257,095.60
  6. Step 6: Final answer
    x = 198,610.74

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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.