Home / 168,030.53-231,875.46-91,550.24

Finding the Fourth Proportional to 168,030.53, 231,875.46 and 91,550.24

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Solution

The fourth proportional to 168,030.53, 231,875.46 and 91,550.24 is: 126,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030.53 : 231,875.46 = 91,550.24 : x
  2. Step 2: Convert to fraction form
    168,030.53/231,875.46 = 91,550.24/x
  3. Step 3: Cross multiply
    168,030.53x = 231,875.46 × 91,550.24
  4. Step 4: Simplify right side
    168,030.53x = 21,228,254,013.11
  5. Step 5: Solve for x
    x = 21,228,254,013.11/168,030.53
  6. Step 6: Final answer
    x = 126,335.70

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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.