Home / 190,844.10-286,266.15-134,856.90

Finding the Fourth Proportional to 190,844.10, 286,266.15 and 134,856.90

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Solution

The fourth proportional to 190,844.10, 286,266.15 and 134,856.90 is: 202,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,844.10 : 286,266.15 = 134,856.90 : x
  2. Step 2: Convert to fraction form
    190,844.10/286,266.15 = 134,856.90/x
  3. Step 3: Cross multiply
    190,844.10x = 286,266.15 × 134,856.90
  4. Step 4: Simplify right side
    190,844.10x = 38,604,965,563.94
  5. Step 5: Solve for x
    x = 38,604,965,563.94/190,844.10
  6. Step 6: Final answer
    x = 202,285.35

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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.