Home / 345,048.36-476,165.70-194,145.48

Finding the Fourth Proportional to 345,048.36, 476,165.70 and 194,145.48

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Solution

The fourth proportional to 345,048.36, 476,165.70 and 194,145.48 is: 267,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,048.36 : 476,165.70 = 194,145.48 : x
  2. Step 2: Convert to fraction form
    345,048.36/476,165.70 = 194,145.48/x
  3. Step 3: Cross multiply
    345,048.36x = 476,165.70 × 194,145.48
  4. Step 4: Simplify right side
    345,048.36x = 92,445,418,386.04
  5. Step 5: Solve for x
    x = 92,445,418,386.04/345,048.36
  6. Step 6: Final answer
    x = 267,920.18

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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.