Home / 212,217.90-292,858.38-116,725.92

Finding the Fourth Proportional to 212,217.90, 292,858.38 and 116,725.92

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Solution

The fourth proportional to 212,217.90, 292,858.38 and 116,725.92 is: 161,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,217.90 : 292,858.38 = 116,725.92 : x
  2. Step 2: Convert to fraction form
    212,217.90/292,858.38 = 116,725.92/x
  3. Step 3: Cross multiply
    212,217.90x = 292,858.38 × 116,725.92
  4. Step 4: Simplify right side
    212,217.90x = 34,184,163,835.21
  5. Step 5: Solve for x
    x = 34,184,163,835.21/212,217.90
  6. Step 6: Final answer
    x = 161,080.49

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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.