Home / 147,453.28-221,176.68-42,273.16

Finding the Fourth Proportional to 147,453.28, 221,176.68 and 42,273.16

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Solution

The fourth proportional to 147,453.28, 221,176.68 and 42,273.16 is: 63,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,453.28 : 221,176.68 = 42,273.16 : x
  2. Step 2: Convert to fraction form
    147,453.28/221,176.68 = 42,273.16/x
  3. Step 3: Cross multiply
    147,453.28x = 221,176.68 × 42,273.16
  4. Step 4: Simplify right side
    147,453.28x = 9,349,837,181.91
  5. Step 5: Solve for x
    x = 9,349,837,181.91/147,453.28
  6. Step 6: Final answer
    x = 63,408.81

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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.