Home / 191,252.48-263,916.80-106,366.72

Finding the Fourth Proportional to 191,252.48, 263,916.80 and 106,366.72

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Solution

The fourth proportional to 191,252.48, 263,916.80 and 106,366.72 is: 146,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,252.48 : 263,916.80 = 106,366.72 : x
  2. Step 2: Convert to fraction form
    191,252.48/263,916.80 = 106,366.72/x
  3. Step 3: Cross multiply
    191,252.48x = 263,916.80 × 106,366.72
  4. Step 4: Simplify right side
    191,252.48x = 28,071,964,368.90
  5. Step 5: Solve for x
    x = 28,071,964,368.90/191,252.48
  6. Step 6: Final answer
    x = 146,779.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.