Home / 165,008.18-247,616.40-70,238.22

Finding the Fourth Proportional to 165,008.18, 247,616.40 and 70,238.22

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Solution

The fourth proportional to 165,008.18, 247,616.40 and 70,238.22 is: 105,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,008.18 : 247,616.40 = 70,238.22 : x
  2. Step 2: Convert to fraction form
    165,008.18/247,616.40 = 70,238.22/x
  3. Step 3: Cross multiply
    165,008.18x = 247,616.40 × 70,238.22
  4. Step 4: Simplify right side
    165,008.18x = 17,392,135,178.81
  5. Step 5: Solve for x
    x = 17,392,135,178.81/165,008.18
  6. Step 6: Final answer
    x = 105,401.65

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1.5x scale

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.