Home / 345,349.19-476,574.71-192,387.17

Finding the Fourth Proportional to 345,349.19, 476,574.71 and 192,387.17

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Solution

The fourth proportional to 345,349.19, 476,574.71 and 192,387.17 is: 265,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,349.19 : 476,574.71 = 192,387.17 : x
  2. Step 2: Convert to fraction form
    345,349.19/476,574.71 = 192,387.17/x
  3. Step 3: Cross multiply
    345,349.19x = 476,574.71 × 192,387.17
  4. Step 4: Simplify right side
    345,349.19x = 91,686,859,979.97
  5. Step 5: Solve for x
    x = 91,686,859,979.97/345,349.19
  6. Step 6: Final answer
    x = 265,490.30

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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.