Home / 117,641.08-176,447.03-69,638.25

Finding the Fourth Proportional to 117,641.08, 176,447.03 and 69,638.25

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Solution

The fourth proportional to 117,641.08, 176,447.03 and 69,638.25 is: 104,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,641.08 : 176,447.03 = 69,638.25 : x
  2. Step 2: Convert to fraction form
    117,641.08/176,447.03 = 69,638.25/x
  3. Step 3: Cross multiply
    117,641.08x = 176,447.03 × 69,638.25
  4. Step 4: Simplify right side
    117,641.08x = 12,287,462,560.99
  5. Step 5: Solve for x
    x = 12,287,462,560.99/117,641.08
  6. Step 6: Final answer
    x = 104,448.74

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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.