Home / 166,827.52-230,326.56-128,514.93

Finding the Fourth Proportional to 166,827.52, 230,326.56 and 128,514.93

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Solution

The fourth proportional to 166,827.52, 230,326.56 and 128,514.93 is: 177,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,827.52 : 230,326.56 = 128,514.93 : x
  2. Step 2: Convert to fraction form
    166,827.52/230,326.56 = 128,514.93/x
  3. Step 3: Cross multiply
    166,827.52x = 230,326.56 × 128,514.93
  4. Step 4: Simplify right side
    166,827.52x = 29,600,400,871.82
  5. Step 5: Solve for x
    x = 29,600,400,871.82/166,827.52
  6. Step 6: Final answer
    x = 177,431.16

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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.