Home / 190,827.90-286,241.88-64,468.50

Finding the Fourth Proportional to 190,827.90, 286,241.88 and 64,468.50

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Solution

The fourth proportional to 190,827.90, 286,241.88 and 64,468.50 is: 96,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,827.90 : 286,241.88 = 64,468.50 : x
  2. Step 2: Convert to fraction form
    190,827.90/286,241.88 = 64,468.50/x
  3. Step 3: Cross multiply
    190,827.90x = 286,241.88 × 64,468.50
  4. Step 4: Simplify right side
    190,827.90x = 18,453,584,640.78
  5. Step 5: Solve for x
    x = 18,453,584,640.78/190,827.90
  6. Step 6: Final answer
    x = 96,702.76

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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.