Home / 169,155.61-233,432.75-91,629.79

Finding the Fourth Proportional to 169,155.61, 233,432.75 and 91,629.79

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Solution

The fourth proportional to 169,155.61, 233,432.75 and 91,629.79 is: 126,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,155.61 : 233,432.75 = 91,629.79 : x
  2. Step 2: Convert to fraction form
    169,155.61/233,432.75 = 91,629.79/x
  3. Step 3: Cross multiply
    169,155.61x = 233,432.75 × 91,629.79
  4. Step 4: Simplify right side
    169,155.61x = 21,389,393,507.12
  5. Step 5: Solve for x
    x = 21,389,393,507.12/169,155.61
  6. Step 6: Final answer
    x = 126,448.03

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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.