Home / 212,416.13-293,162.25-127,538.66

Finding the Fourth Proportional to 212,416.13, 293,162.25 and 127,538.66

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Solution

The fourth proportional to 212,416.13, 293,162.25 and 127,538.66 is: 176,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,416.13 : 293,162.25 = 127,538.66 : x
  2. Step 2: Convert to fraction form
    212,416.13/293,162.25 = 127,538.66/x
  3. Step 3: Cross multiply
    212,416.13x = 293,162.25 × 127,538.66
  4. Step 4: Simplify right side
    212,416.13x = 37,389,520,527.59
  5. Step 5: Solve for x
    x = 37,389,520,527.59/212,416.13
  6. Step 6: Final answer
    x = 176,020.16

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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.