Home / 345,302.42-476,510.07-192,340.22

Finding the Fourth Proportional to 345,302.42, 476,510.07 and 192,340.22

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Solution

The fourth proportional to 345,302.42, 476,510.07 and 192,340.22 is: 265,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,302.42 : 476,510.07 = 192,340.22 : x
  2. Step 2: Convert to fraction form
    345,302.42/476,510.07 = 192,340.22/x
  3. Step 3: Cross multiply
    345,302.42x = 476,510.07 × 192,340.22
  4. Step 4: Simplify right side
    345,302.42x = 91,652,051,696.02
  5. Step 5: Solve for x
    x = 91,652,051,696.02/345,302.42
  6. Step 6: Final answer
    x = 265,425.45

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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.