Home / 158,853.56-219,218.51-86,256.55

Finding the Fourth Proportional to 158,853.56, 219,218.51 and 86,256.55

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Solution

The fourth proportional to 158,853.56, 219,218.51 and 86,256.55 is: 119,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,853.56 : 219,218.51 = 86,256.55 : x
  2. Step 2: Convert to fraction form
    158,853.56/219,218.51 = 86,256.55/x
  3. Step 3: Cross multiply
    158,853.56x = 219,218.51 × 86,256.55
  4. Step 4: Simplify right side
    158,853.56x = 18,909,032,036.34
  5. Step 5: Solve for x
    x = 18,909,032,036.34/158,853.56
  6. Step 6: Final answer
    x = 119,034.36

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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.