Home / 345,510.30-476,783.23-190,454.80

Finding the Fourth Proportional to 345,510.30, 476,783.23 and 190,454.80

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Solution

The fourth proportional to 345,510.30, 476,783.23 and 190,454.80 is: 262,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,510.30 : 476,783.23 = 190,454.80 : x
  2. Step 2: Convert to fraction form
    345,510.30/476,783.23 = 190,454.80/x
  3. Step 3: Cross multiply
    345,510.30x = 476,783.23 × 190,454.80
  4. Step 4: Simplify right side
    345,510.30x = 90,805,653,521.05
  5. Step 5: Solve for x
    x = 90,805,653,521.05/345,510.30
  6. Step 6: Final answer
    x = 262,816.06

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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.