Home / 168,036.02-231,886.79-91,555.74

Finding the Fourth Proportional to 168,036.02, 231,886.79 and 91,555.74

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Solution

The fourth proportional to 168,036.02, 231,886.79 and 91,555.74 is: 126,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036.02 : 231,886.79 = 91,555.74 : x
  2. Step 2: Convert to fraction form
    168,036.02/231,886.79 = 91,555.74/x
  3. Step 3: Cross multiply
    168,036.02x = 231,886.79 × 91,555.74
  4. Step 4: Simplify right side
    168,036.02x = 21,230,567,283.30
  5. Step 5: Solve for x
    x = 21,230,567,283.30/168,036.02
  6. Step 6: Final answer
    x = 126,345.34

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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.