Home / 212,527.17-293,296.55-121,908.69

Finding the Fourth Proportional to 212,527.17, 293,296.55 and 121,908.69

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Solution

The fourth proportional to 212,527.17, 293,296.55 and 121,908.69 is: 168,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,527.17 : 293,296.55 = 121,908.69 : x
  2. Step 2: Convert to fraction form
    212,527.17/293,296.55 = 121,908.69/x
  3. Step 3: Cross multiply
    212,527.17x = 293,296.55 × 121,908.69
  4. Step 4: Simplify right side
    212,527.17x = 35,755,397,582.48
  5. Step 5: Solve for x
    x = 35,755,397,582.48/212,527.17
  6. Step 6: Final answer
    x = 168,239.18

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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.