Home / 161,658.18-223,082.51-90,034.34

Finding the Fourth Proportional to 161,658.18, 223,082.51 and 90,034.34

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Solution

The fourth proportional to 161,658.18, 223,082.51 and 90,034.34 is: 124,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658.18 : 223,082.51 = 90,034.34 : x
  2. Step 2: Convert to fraction form
    161,658.18/223,082.51 = 90,034.34/x
  3. Step 3: Cross multiply
    161,658.18x = 223,082.51 × 90,034.34
  4. Step 4: Simplify right side
    161,658.18x = 20,085,084,987.81
  5. Step 5: Solve for x
    x = 20,085,084,987.81/161,658.18
  6. Step 6: Final answer
    x = 124,244.16

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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.