Home / 191,731.36-287,597.76-58,611.10

Finding the Fourth Proportional to 191,731.36, 287,597.76 and 58,611.10

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Solution

The fourth proportional to 191,731.36, 287,597.76 and 58,611.10 is: 87,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,731.36 : 287,597.76 = 58,611.10 : x
  2. Step 2: Convert to fraction form
    191,731.36/287,597.76 = 58,611.10/x
  3. Step 3: Cross multiply
    191,731.36x = 287,597.76 × 58,611.10
  4. Step 4: Simplify right side
    191,731.36x = 16,856,421,071.14
  5. Step 5: Solve for x
    x = 16,856,421,071.14/191,731.36
  6. Step 6: Final answer
    x = 87,916.87

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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.