Home / 139,250.17-192,165.45-75,588.01

Finding the Fourth Proportional to 139,250.17, 192,165.45 and 75,588.01

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Solution

The fourth proportional to 139,250.17, 192,165.45 and 75,588.01 is: 104,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.17 : 192,165.45 = 75,588.01 : x
  2. Step 2: Convert to fraction form
    139,250.17/192,165.45 = 75,588.01/x
  3. Step 3: Cross multiply
    139,250.17x = 192,165.45 × 75,588.01
  4. Step 4: Simplify right side
    139,250.17x = 14,525,403,956.25
  5. Step 5: Solve for x
    x = 14,525,403,956.25/139,250.17
  6. Step 6: Final answer
    x = 104,311.57

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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.