Home / 161,777.04-223,186.55-107,354.87

Finding the Fourth Proportional to 161,777.04, 223,186.55 and 107,354.87

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Solution

The fourth proportional to 161,777.04, 223,186.55 and 107,354.87 is: 148,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.04 : 223,186.55 = 107,354.87 : x
  2. Step 2: Convert to fraction form
    161,777.04/223,186.55 = 107,354.87/x
  3. Step 3: Cross multiply
    161,777.04x = 223,186.55 × 107,354.87
  4. Step 4: Simplify right side
    161,777.04x = 23,960,161,408.29
  5. Step 5: Solve for x
    x = 23,960,161,408.29/161,777.04
  6. Step 6: Final answer
    x = 148,106.07

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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.