Home / 257,154.36-354,876.77-148,256.82

Finding the Fourth Proportional to 257,154.36, 354,876.77 and 148,256.82

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Solution

The fourth proportional to 257,154.36, 354,876.77 and 148,256.82 is: 204,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,154.36 : 354,876.77 = 148,256.82 : x
  2. Step 2: Convert to fraction form
    257,154.36/354,876.77 = 148,256.82/x
  3. Step 3: Cross multiply
    257,154.36x = 354,876.77 × 148,256.82
  4. Step 4: Simplify right side
    257,154.36x = 52,612,900,670.79
  5. Step 5: Solve for x
    x = 52,612,900,670.79/257,154.36
  6. Step 6: Final answer
    x = 204,596.57

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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.