Home / 345,345.94-476,534.01-192,345.58

Finding the Fourth Proportional to 345,345.94, 476,534.01 and 192,345.58

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Solution

The fourth proportional to 345,345.94, 476,534.01 and 192,345.58 is: 265,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,345.94 : 476,534.01 = 192,345.58 : x
  2. Step 2: Convert to fraction form
    345,345.94/476,534.01 = 192,345.58/x
  3. Step 3: Cross multiply
    345,345.94x = 476,534.01 × 192,345.58
  4. Step 4: Simplify right side
    345,345.94x = 91,659,210,543.18
  5. Step 5: Solve for x
    x = 91,659,210,543.18/345,345.94
  6. Step 6: Final answer
    x = 265,412.74

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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.