Home / 120,926.07-181,462.01-42,095.66

Finding the Fourth Proportional to 120,926.07, 181,462.01 and 42,095.66

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Solution

The fourth proportional to 120,926.07, 181,462.01 and 42,095.66 is: 63,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,926.07 : 181,462.01 = 42,095.66 : x
  2. Step 2: Convert to fraction form
    120,926.07/181,462.01 = 42,095.66/x
  3. Step 3: Cross multiply
    120,926.07x = 181,462.01 × 42,095.66
  4. Step 4: Simplify right side
    120,926.07x = 7,638,762,823.63
  5. Step 5: Solve for x
    x = 7,638,762,823.63/120,926.07
  6. Step 6: Final answer
    x = 63,168.87

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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.