Home / 154,395.02-231,550.91-54,542.07

Finding the Fourth Proportional to 154,395.02, 231,550.91 and 54,542.07

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Solution

The fourth proportional to 154,395.02, 231,550.91 and 54,542.07 is: 81,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,395.02 : 231,550.91 = 54,542.07 : x
  2. Step 2: Convert to fraction form
    154,395.02/231,550.91 = 54,542.07/x
  3. Step 3: Cross multiply
    154,395.02x = 231,550.91 × 54,542.07
  4. Step 4: Simplify right side
    154,395.02x = 12,629,264,511.32
  5. Step 5: Solve for x
    x = 12,629,264,511.32/154,395.02
  6. Step 6: Final answer
    x = 81,798.40

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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.