Home / 190,853.10-286,279.65-134,865.90

Finding the Fourth Proportional to 190,853.10, 286,279.65 and 134,865.90

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Solution

The fourth proportional to 190,853.10, 286,279.65 and 134,865.90 is: 202,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,853.10 : 286,279.65 = 134,865.90 : x
  2. Step 2: Convert to fraction form
    190,853.10/286,279.65 = 134,865.90/x
  3. Step 3: Cross multiply
    190,853.10x = 286,279.65 × 134,865.90
  4. Step 4: Simplify right side
    190,853.10x = 38,609,362,648.94
  5. Step 5: Solve for x
    x = 38,609,362,648.94/190,853.10
  6. Step 6: Final answer
    x = 202,298.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.