Home / 212,648.44-293,468.07-117,155.11

Finding the Fourth Proportional to 212,648.44, 293,468.07 and 117,155.11

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Solution

The fourth proportional to 212,648.44, 293,468.07 and 117,155.11 is: 161,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.44 : 293,468.07 = 117,155.11 : x
  2. Step 2: Convert to fraction form
    212,648.44/293,468.07 = 117,155.11/x
  3. Step 3: Cross multiply
    212,648.44x = 293,468.07 × 117,155.11
  4. Step 4: Simplify right side
    212,648.44x = 34,381,284,022.34
  5. Step 5: Solve for x
    x = 34,381,284,022.34/212,648.44
  6. Step 6: Final answer
    x = 161,681.34

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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.