Home / 212,712.92-293,542.43-117,219.69

Finding the Fourth Proportional to 212,712.92, 293,542.43 and 117,219.69

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Solution

The fourth proportional to 212,712.92, 293,542.43 and 117,219.69 is: 161,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,712.92 : 293,542.43 = 117,219.69 : x
  2. Step 2: Convert to fraction form
    212,712.92/293,542.43 = 117,219.69/x
  3. Step 3: Cross multiply
    212,712.92x = 293,542.43 × 117,219.69
  4. Step 4: Simplify right side
    212,712.92x = 34,408,952,060.35
  5. Step 5: Solve for x
    x = 34,408,952,060.35/212,712.92
  6. Step 6: Final answer
    x = 161,762.40

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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.