Home / 147,813.08-221,687.22-42,609.20

Finding the Fourth Proportional to 147,813.08, 221,687.22 and 42,609.20

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Solution

The fourth proportional to 147,813.08, 221,687.22 and 42,609.20 is: 63,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,813.08 : 221,687.22 = 42,609.20 : x
  2. Step 2: Convert to fraction form
    147,813.08/221,687.22 = 42,609.20/x
  3. Step 3: Cross multiply
    147,813.08x = 221,687.22 × 42,609.20
  4. Step 4: Simplify right side
    147,813.08x = 9,445,915,094.42
  5. Step 5: Solve for x
    x = 9,445,915,094.42/147,813.08
  6. Step 6: Final answer
    x = 63,904.46

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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.