Home / 436,443.09-654,643.56-152,122.17

Finding the Fourth Proportional to 436,443.09, 654,643.56 and 152,122.17

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Solution

The fourth proportional to 436,443.09, 654,643.56 and 152,122.17 is: 228,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,443.09 : 654,643.56 = 152,122.17 : x
  2. Step 2: Convert to fraction form
    436,443.09/654,643.56 = 152,122.17/x
  3. Step 3: Cross multiply
    436,443.09x = 654,643.56 × 152,122.17
  4. Step 4: Simplify right side
    436,443.09x = 99,585,798,923.73
  5. Step 5: Solve for x
    x = 99,585,798,923.73/436,443.09
  6. Step 6: Final answer
    x = 228,175.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.