Home / 212,875.40-293,770.10-117,385.48

Finding the Fourth Proportional to 212,875.40, 293,770.10 and 117,385.48

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Solution

The fourth proportional to 212,875.40, 293,770.10 and 117,385.48 is: 161,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,875.40 : 293,770.10 = 117,385.48 : x
  2. Step 2: Convert to fraction form
    212,875.40/293,770.10 = 117,385.48/x
  3. Step 3: Cross multiply
    212,875.40x = 293,770.10 × 117,385.48
  4. Step 4: Simplify right side
    212,875.40x = 34,484,344,198.15
  5. Step 5: Solve for x
    x = 34,484,344,198.15/212,875.40
  6. Step 6: Final answer
    x = 161,993.09

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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.