Home / 147,358.11-221,036.81-42,176.91

Finding the Fourth Proportional to 147,358.11, 221,036.81 and 42,176.91

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Solution

The fourth proportional to 147,358.11, 221,036.81 and 42,176.91 is: 63,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,358.11 : 221,036.81 = 42,176.91 : x
  2. Step 2: Convert to fraction form
    147,358.11/221,036.81 = 42,176.91/x
  3. Step 3: Cross multiply
    147,358.11x = 221,036.81 × 42,176.91
  4. Step 4: Simplify right side
    147,358.11x = 9,322,649,431.17
  5. Step 5: Solve for x
    x = 9,322,649,431.17/147,358.11
  6. Step 6: Final answer
    x = 63,265.26

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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.