Home / 147,445.11-221,089.91-64,293.75

Finding the Fourth Proportional to 147,445.11, 221,089.91 and 64,293.75

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Solution

The fourth proportional to 147,445.11, 221,089.91 and 64,293.75 is: 96,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,445.11 : 221,089.91 = 64,293.75 : x
  2. Step 2: Convert to fraction form
    147,445.11/221,089.91 = 64,293.75/x
  3. Step 3: Cross multiply
    147,445.11x = 221,089.91 × 64,293.75
  4. Step 4: Simplify right side
    147,445.11x = 14,214,699,079.59
  5. Step 5: Solve for x
    x = 14,214,699,079.59/147,445.11
  6. Step 6: Final answer
    x = 96,406.72

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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.