Home / 161,966.10-223,511.69-89,369.66

Finding the Fourth Proportional to 161,966.10, 223,511.69 and 89,369.66

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Solution

The fourth proportional to 161,966.10, 223,511.69 and 89,369.66 is: 123,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,966.10 : 223,511.69 = 89,369.66 : x
  2. Step 2: Convert to fraction form
    161,966.10/223,511.69 = 89,369.66/x
  3. Step 3: Cross multiply
    161,966.10x = 223,511.69 × 89,369.66
  4. Step 4: Simplify right side
    161,966.10x = 19,975,162,176.92
  5. Step 5: Solve for x
    x = 19,975,162,176.92/161,966.10
  6. Step 6: Final answer
    x = 123,329.28

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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.