Home / 139,256.32-192,177.84-75,598.24

Finding the Fourth Proportional to 139,256.32, 192,177.84 and 75,598.24

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Solution

The fourth proportional to 139,256.32, 192,177.84 and 75,598.24 is: 104,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,256.32 : 192,177.84 = 75,598.24 : x
  2. Step 2: Convert to fraction form
    139,256.32/192,177.84 = 75,598.24/x
  3. Step 3: Cross multiply
    139,256.32x = 192,177.84 × 75,598.24
  4. Step 4: Simplify right side
    139,256.32x = 14,528,306,471.00
  5. Step 5: Solve for x
    x = 14,528,306,471.00/139,256.32
  6. Step 6: Final answer
    x = 104,327.81

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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.