Home / 212,186.43-292,811.45-116,693.15

Finding the Fourth Proportional to 212,186.43, 292,811.45 and 116,693.15

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Solution

The fourth proportional to 212,186.43, 292,811.45 and 116,693.15 is: 161,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,186.43 : 292,811.45 = 116,693.15 : x
  2. Step 2: Convert to fraction form
    212,186.43/292,811.45 = 116,693.15/x
  3. Step 3: Cross multiply
    212,186.43x = 292,811.45 × 116,693.15
  4. Step 4: Simplify right side
    212,186.43x = 34,169,088,409.04
  5. Step 5: Solve for x
    x = 34,169,088,409.04/212,186.43
  6. Step 6: Final answer
    x = 161,033.33

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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.