Home / 191,334.65-287,043.49-58,211.45

Finding the Fourth Proportional to 191,334.65, 287,043.49 and 58,211.45

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Solution

The fourth proportional to 191,334.65, 287,043.49 and 58,211.45 is: 87,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,334.65 : 287,043.49 = 58,211.45 : x
  2. Step 2: Convert to fraction form
    191,334.65/287,043.49 = 58,211.45/x
  3. Step 3: Cross multiply
    191,334.65x = 287,043.49 × 58,211.45
  4. Step 4: Simplify right side
    191,334.65x = 16,709,216,330.74
  5. Step 5: Solve for x
    x = 16,709,216,330.74/191,334.65
  6. Step 6: Final answer
    x = 87,329.80

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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.