Home / 190,289.04-285,432.72-57,168.72

Finding the Fourth Proportional to 190,289.04, 285,432.72 and 57,168.72

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Solution

The fourth proportional to 190,289.04, 285,432.72 and 57,168.72 is: 85,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,289.04 : 285,432.72 = 57,168.72 : x
  2. Step 2: Convert to fraction form
    190,289.04/285,432.72 = 57,168.72/x
  3. Step 3: Cross multiply
    190,289.04x = 285,432.72 × 57,168.72
  4. Step 4: Simplify right side
    190,289.04x = 16,317,823,248.52
  5. Step 5: Solve for x
    x = 16,317,823,248.52/190,289.04
  6. Step 6: Final answer
    x = 85,752.83

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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.