Home / 345,357.07-476,585.57-192,395.05

Finding the Fourth Proportional to 345,357.07, 476,585.57 and 192,395.05

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Solution

The fourth proportional to 345,357.07, 476,585.57 and 192,395.05 is: 265,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,357.07 : 476,585.57 = 192,395.05 : x
  2. Step 2: Convert to fraction form
    345,357.07/476,585.57 = 192,395.05/x
  3. Step 3: Cross multiply
    345,357.07x = 476,585.57 × 192,395.05
  4. Step 4: Simplify right side
    345,357.07x = 91,692,703,858.95
  5. Step 5: Solve for x
    x = 91,692,703,858.95/345,357.07
  6. Step 6: Final answer
    x = 265,501.17

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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.