Home / 191,007.12-286,044-164,879.76

Finding the Fourth Proportional to 191,007.12, 286,044 and 164,879.76

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Solution

The fourth proportional to 191,007.12, 286,044 and 164,879.76 is: 246,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,007.12 : 286,044 = 164,879.76 : x
  2. Step 2: Convert to fraction form
    191,007.12/286,044 = 164,879.76/x
  3. Step 3: Cross multiply
    191,007.12x = 286,044 × 164,879.76
  4. Step 4: Simplify right side
    191,007.12x = 47,162,866,069.44
  5. Step 5: Solve for x
    x = 47,162,866,069.44/191,007.12
  6. Step 6: Final answer
    x = 246,916.80

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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.