Home / 193,928.61-290,925.72-99,199.92

Finding the Fourth Proportional to 193,928.61, 290,925.72 and 99,199.92

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Solution

The fourth proportional to 193,928.61, 290,925.72 and 99,199.92 is: 148,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,928.61 : 290,925.72 = 99,199.92 : x
  2. Step 2: Convert to fraction form
    193,928.61/290,925.72 = 99,199.92/x
  3. Step 3: Cross multiply
    193,928.61x = 290,925.72 × 99,199.92
  4. Step 4: Simplify right side
    193,928.61x = 28,859,808,149.94
  5. Step 5: Solve for x
    x = 28,859,808,149.94/193,928.61
  6. Step 6: Final answer
    x = 148,816.66

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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.