Home / 152,865.11-228,268.31-124,840.80

Finding the Fourth Proportional to 152,865.11, 228,268.31 and 124,840.80

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Solution

The fourth proportional to 152,865.11, 228,268.31 and 124,840.80 is: 186,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,865.11 : 228,268.31 = 124,840.80 : x
  2. Step 2: Convert to fraction form
    152,865.11/228,268.31 = 124,840.80/x
  3. Step 3: Cross multiply
    152,865.11x = 228,268.31 × 124,840.80
  4. Step 4: Simplify right side
    152,865.11x = 28,497,197,810.84
  5. Step 5: Solve for x
    x = 28,497,197,810.84/152,865.11
  6. Step 6: Final answer
    x = 186,420.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.