Home / 145,093.86-200,153.97-91,277.46

Finding the Fourth Proportional to 145,093.86, 200,153.97 and 91,277.46

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Solution

The fourth proportional to 145,093.86, 200,153.97 and 91,277.46 is: 125,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,093.86 : 200,153.97 = 91,277.46 : x
  2. Step 2: Convert to fraction form
    145,093.86/200,153.97 = 91,277.46/x
  3. Step 3: Cross multiply
    145,093.86x = 200,153.97 × 91,277.46
  4. Step 4: Simplify right side
    145,093.86x = 18,269,545,990.52
  5. Step 5: Solve for x
    x = 18,269,545,990.52/145,093.86
  6. Step 6: Final answer
    x = 125,915.36

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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.