Home / 191,868.60-287,777.70-58,762.20

Finding the Fourth Proportional to 191,868.60, 287,777.70 and 58,762.20

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Solution

The fourth proportional to 191,868.60, 287,777.70 and 58,762.20 is: 88,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,868.60 : 287,777.70 = 58,762.20 : x
  2. Step 2: Convert to fraction form
    191,868.60/287,777.70 = 58,762.20/x
  3. Step 3: Cross multiply
    191,868.60x = 287,777.70 × 58,762.20
  4. Step 4: Simplify right side
    191,868.60x = 16,910,450,762.94
  5. Step 5: Solve for x
    x = 16,910,450,762.94/191,868.60
  6. Step 6: Final answer
    x = 88,135.58

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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.