Home / 212,726.62-293,595.15-161,656.12

Finding the Fourth Proportional to 212,726.62, 293,595.15 and 161,656.12

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Solution

The fourth proportional to 212,726.62, 293,595.15 and 161,656.12 is: 223,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,726.62 : 293,595.15 = 161,656.12 : x
  2. Step 2: Convert to fraction form
    212,726.62/293,595.15 = 161,656.12/x
  3. Step 3: Cross multiply
    212,726.62x = 293,595.15 × 161,656.12
  4. Step 4: Simplify right side
    212,726.62x = 47,461,452,799.82
  5. Step 5: Solve for x
    x = 47,461,452,799.82/212,726.62
  6. Step 6: Final answer
    x = 223,110.08

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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.