Home / 161,872.14-223,403.78-92,983.16

Finding the Fourth Proportional to 161,872.14, 223,403.78 and 92,983.16

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Solution

The fourth proportional to 161,872.14, 223,403.78 and 92,983.16 is: 128,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,872.14 : 223,403.78 = 92,983.16 : x
  2. Step 2: Convert to fraction form
    161,872.14/223,403.78 = 92,983.16/x
  3. Step 3: Cross multiply
    161,872.14x = 223,403.78 × 92,983.16
  4. Step 4: Simplify right side
    161,872.14x = 20,772,789,420.34
  5. Step 5: Solve for x
    x = 20,772,789,420.34/161,872.14
  6. Step 6: Final answer
    x = 128,328.38

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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.