Home / 139,226.04-192,132.08-75,563.87

Finding the Fourth Proportional to 139,226.04, 192,132.08 and 75,563.87

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Solution

The fourth proportional to 139,226.04, 192,132.08 and 75,563.87 is: 104,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,226.04 : 192,132.08 = 75,563.87 : x
  2. Step 2: Convert to fraction form
    139,226.04/192,132.08 = 75,563.87/x
  3. Step 3: Cross multiply
    139,226.04x = 192,132.08 × 75,563.87
  4. Step 4: Simplify right side
    139,226.04x = 14,518,242,177.47
  5. Step 5: Solve for x
    x = 14,518,242,177.47/139,226.04
  6. Step 6: Final answer
    x = 104,278.21

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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.