Home / 134,557.94-185,692.33-74,128.16

Finding the Fourth Proportional to 134,557.94, 185,692.33 and 74,128.16

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Solution

The fourth proportional to 134,557.94, 185,692.33 and 74,128.16 is: 102,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,557.94 : 185,692.33 = 74,128.16 : x
  2. Step 2: Convert to fraction form
    134,557.94/185,692.33 = 74,128.16/x
  3. Step 3: Cross multiply
    134,557.94x = 185,692.33 × 74,128.16
  4. Step 4: Simplify right side
    134,557.94x = 13,765,031,305.90
  5. Step 5: Solve for x
    x = 13,765,031,305.90/134,557.94
  6. Step 6: Final answer
    x = 102,298.17

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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.