Home / 120,094.08-165,689.28-69,751.68

Finding the Fourth Proportional to 120,094.08, 165,689.28 and 69,751.68

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Solution

The fourth proportional to 120,094.08, 165,689.28 and 69,751.68 is: 96,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,094.08 : 165,689.28 = 69,751.68 : x
  2. Step 2: Convert to fraction form
    120,094.08/165,689.28 = 69,751.68/x
  3. Step 3: Cross multiply
    120,094.08x = 165,689.28 × 69,751.68
  4. Step 4: Simplify right side
    120,094.08x = 11,557,105,637.99
  5. Step 5: Solve for x
    x = 11,557,105,637.99/120,094.08
  6. Step 6: Final answer
    x = 96,233.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.