Home / 161,684.04-223,115.10-89,084.54

Finding the Fourth Proportional to 161,684.04, 223,115.10 and 89,084.54

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Solution

The fourth proportional to 161,684.04, 223,115.10 and 89,084.54 is: 122,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684.04 : 223,115.10 = 89,084.54 : x
  2. Step 2: Convert to fraction form
    161,684.04/223,115.10 = 89,084.54/x
  3. Step 3: Cross multiply
    161,684.04x = 223,115.10 × 89,084.54
  4. Step 4: Simplify right side
    161,684.04x = 19,876,106,050.55
  5. Step 5: Solve for x
    x = 19,876,106,050.55/161,684.04
  6. Step 6: Final answer
    x = 122,931.78

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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.