Home / 161,629.52-223,040.94-93,643.16

Finding the Fourth Proportional to 161,629.52, 223,040.94 and 93,643.16

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Solution

The fourth proportional to 161,629.52, 223,040.94 and 93,643.16 is: 129,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,629.52 : 223,040.94 = 93,643.16 : x
  2. Step 2: Convert to fraction form
    161,629.52/223,040.94 = 93,643.16/x
  3. Step 3: Cross multiply
    161,629.52x = 223,040.94 × 93,643.16
  4. Step 4: Simplify right side
    161,629.52x = 20,886,258,430.97
  5. Step 5: Solve for x
    x = 20,886,258,430.97/161,629.52
  6. Step 6: Final answer
    x = 129,223.04

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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.