Home / 161,990.16-223,401.08-101,567.40

Finding the Fourth Proportional to 161,990.16, 223,401.08 and 101,567.40

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Solution

The fourth proportional to 161,990.16, 223,401.08 and 101,567.40 is: 140,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,990.16 : 223,401.08 = 101,567.40 : x
  2. Step 2: Convert to fraction form
    161,990.16/223,401.08 = 101,567.40/x
  3. Step 3: Cross multiply
    161,990.16x = 223,401.08 × 101,567.40
  4. Step 4: Simplify right side
    161,990.16x = 22,690,266,344.96
  5. Step 5: Solve for x
    x = 22,690,266,344.96/161,990.16
  6. Step 6: Final answer
    x = 140,071.88

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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.