Home / 121,265.04-181,889.08-45,349.14

Finding the Fourth Proportional to 121,265.04, 181,889.08 and 45,349.14

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Solution

The fourth proportional to 121,265.04, 181,889.08 and 45,349.14 is: 68,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265.04 : 181,889.08 = 45,349.14 : x
  2. Step 2: Convert to fraction form
    121,265.04/181,889.08 = 45,349.14/x
  3. Step 3: Cross multiply
    121,265.04x = 181,889.08 × 45,349.14
  4. Step 4: Simplify right side
    121,265.04x = 8,248,513,012.04
  5. Step 5: Solve for x
    x = 8,248,513,012.04/121,265.04
  6. Step 6: Final answer
    x = 68,020.54

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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.