Home / 133,799.63-184,614.57-77,178.20

Finding the Fourth Proportional to 133,799.63, 184,614.57 and 77,178.20

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Solution

The fourth proportional to 133,799.63, 184,614.57 and 77,178.20 is: 106,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,799.63 : 184,614.57 = 77,178.20 : x
  2. Step 2: Convert to fraction form
    133,799.63/184,614.57 = 77,178.20/x
  3. Step 3: Cross multiply
    133,799.63x = 184,614.57 × 77,178.20
  4. Step 4: Simplify right side
    133,799.63x = 14,248,219,283.30
  5. Step 5: Solve for x
    x = 14,248,219,283.30/133,799.63
  6. Step 6: Final answer
    x = 106,489.23

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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.