Home / 147,926.61-221,890.23-42,754.05

Finding the Fourth Proportional to 147,926.61, 221,890.23 and 42,754.05

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Solution

The fourth proportional to 147,926.61, 221,890.23 and 42,754.05 is: 64,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,926.61 : 221,890.23 = 42,754.05 : x
  2. Step 2: Convert to fraction form
    147,926.61/221,890.23 = 42,754.05/x
  3. Step 3: Cross multiply
    147,926.61x = 221,890.23 × 42,754.05
  4. Step 4: Simplify right side
    147,926.61x = 9,486,705,987.93
  5. Step 5: Solve for x
    x = 9,486,705,987.93/147,926.61
  6. Step 6: Final answer
    x = 64,131.17

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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.