Home / 136,119.51-187,848.18-75,692.70

Finding the Fourth Proportional to 136,119.51, 187,848.18 and 75,692.70

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Solution

The fourth proportional to 136,119.51, 187,848.18 and 75,692.70 is: 104,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,119.51 : 187,848.18 = 75,692.70 : x
  2. Step 2: Convert to fraction form
    136,119.51/187,848.18 = 75,692.70/x
  3. Step 3: Cross multiply
    136,119.51x = 187,848.18 × 75,692.70
  4. Step 4: Simplify right side
    136,119.51x = 14,218,735,934.29
  5. Step 5: Solve for x
    x = 14,218,735,934.29/136,119.51
  6. Step 6: Final answer
    x = 104,457.74

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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.