Home / 257,109.24-384,885.51-233,416.74

Finding the Fourth Proportional to 257,109.24, 384,885.51 and 233,416.74

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Solution

The fourth proportional to 257,109.24, 384,885.51 and 233,416.74 is: 349,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,109.24 : 384,885.51 = 233,416.74 : x
  2. Step 2: Convert to fraction form
    257,109.24/384,885.51 = 233,416.74/x
  3. Step 3: Cross multiply
    257,109.24x = 384,885.51 × 233,416.74
  4. Step 4: Simplify right side
    257,109.24x = 89,838,721,017.44
  5. Step 5: Solve for x
    x = 89,838,721,017.44/257,109.24
  6. Step 6: Final answer
    x = 349,418.48

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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.