Home / 123,727.11-185,258.51-64,438.22

Finding the Fourth Proportional to 123,727.11, 185,258.51 and 64,438.22

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Solution

The fourth proportional to 123,727.11, 185,258.51 and 64,438.22 is: 96,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,727.11 : 185,258.51 = 64,438.22 : x
  2. Step 2: Convert to fraction form
    123,727.11/185,258.51 = 64,438.22/x
  3. Step 3: Cross multiply
    123,727.11x = 185,258.51 × 64,438.22
  4. Step 4: Simplify right side
    123,727.11x = 11,937,728,624.25
  5. Step 5: Solve for x
    x = 11,937,728,624.25/123,727.11
  6. Step 6: Final answer
    x = 96,484.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.