Home / 104,712.27-155,884.09-104,089.50

Finding the Fourth Proportional to 104,712.27, 155,884.09 and 104,089.50

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Solution

The fourth proportional to 104,712.27, 155,884.09 and 104,089.50 is: 154,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.27 : 155,884.09 = 104,089.50 : x
  2. Step 2: Convert to fraction form
    104,712.27/155,884.09 = 104,089.50/x
  3. Step 3: Cross multiply
    104,712.27x = 155,884.09 × 104,089.50
  4. Step 4: Simplify right side
    104,712.27x = 16,225,896,986.06
  5. Step 5: Solve for x
    x = 16,225,896,986.06/104,712.27
  6. Step 6: Final answer
    x = 154,956.98

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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.