Home / 191,865.65-287,749.33-56,898.11

Finding the Fourth Proportional to 191,865.65, 287,749.33 and 56,898.11

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Solution

The fourth proportional to 191,865.65, 287,749.33 and 56,898.11 is: 85,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,865.65 : 287,749.33 = 56,898.11 : x
  2. Step 2: Convert to fraction form
    191,865.65/287,749.33 = 56,898.11/x
  3. Step 3: Cross multiply
    191,865.65x = 287,749.33 × 56,898.11
  4. Step 4: Simplify right side
    191,865.65x = 16,372,393,607.89
  5. Step 5: Solve for x
    x = 16,372,393,607.89/191,865.65
  6. Step 6: Final answer
    x = 85,332.60

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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.