Home / 212,319.04-292,992.96-116,816.80

Finding the Fourth Proportional to 212,319.04, 292,992.96 and 116,816.80

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Solution

The fourth proportional to 212,319.04, 292,992.96 and 116,816.80 is: 161,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,319.04 : 292,992.96 = 116,816.80 : x
  2. Step 2: Convert to fraction form
    212,319.04/292,992.96 = 116,816.80/x
  3. Step 3: Cross multiply
    212,319.04x = 292,992.96 × 116,816.80
  4. Step 4: Simplify right side
    212,319.04x = 34,226,500,009.73
  5. Step 5: Solve for x
    x = 34,226,500,009.73/212,319.04
  6. Step 6: Final answer
    x = 161,203.16

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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.