Home / 205,925.31-284,342.27-165,509.55

Finding the Fourth Proportional to 205,925.31, 284,342.27 and 165,509.55

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Solution

The fourth proportional to 205,925.31, 284,342.27 and 165,509.55 is: 228,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,925.31 : 284,342.27 = 165,509.55 : x
  2. Step 2: Convert to fraction form
    205,925.31/284,342.27 = 165,509.55/x
  3. Step 3: Cross multiply
    205,925.31x = 284,342.27 × 165,509.55
  4. Step 4: Simplify right side
    205,925.31x = 47,061,360,326.13
  5. Step 5: Solve for x
    x = 47,061,360,326.13/205,925.31
  6. Step 6: Final answer
    x = 228,536.07

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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.