Home / 161,803.11-223,184.06-107,354.10

Finding the Fourth Proportional to 161,803.11, 223,184.06 and 107,354.10

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Solution

The fourth proportional to 161,803.11, 223,184.06 and 107,354.10 is: 148,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803.11 : 223,184.06 = 107,354.10 : x
  2. Step 2: Convert to fraction form
    161,803.11/223,184.06 = 107,354.10/x
  3. Step 3: Cross multiply
    161,803.11x = 223,184.06 × 107,354.10
  4. Step 4: Simplify right side
    161,803.11x = 23,959,723,358.88
  5. Step 5: Solve for x
    x = 23,959,723,358.88/161,803.11
  6. Step 6: Final answer
    x = 148,079.50

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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.