Home / 161,980.68-223,557.96-98,306.16

Finding the Fourth Proportional to 161,980.68, 223,557.96 and 98,306.16

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Solution

The fourth proportional to 161,980.68, 223,557.96 and 98,306.16 is: 135,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,980.68 : 223,557.96 = 98,306.16 : x
  2. Step 2: Convert to fraction form
    161,980.68/223,557.96 = 98,306.16/x
  3. Step 3: Cross multiply
    161,980.68x = 223,557.96 × 98,306.16
  4. Step 4: Simplify right side
    161,980.68x = 21,977,124,585.03
  5. Step 5: Solve for x
    x = 21,977,124,585.03/161,980.68
  6. Step 6: Final answer
    x = 135,677.44

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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.