Home / 191,043.57-263,642.86-105,010.51

Finding the Fourth Proportional to 191,043.57, 263,642.86 and 105,010.51

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Solution

The fourth proportional to 191,043.57, 263,642.86 and 105,010.51 is: 144,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,043.57 : 263,642.86 = 105,010.51 : x
  2. Step 2: Convert to fraction form
    191,043.57/263,642.86 = 105,010.51/x
  3. Step 3: Cross multiply
    191,043.57x = 263,642.86 × 105,010.51
  4. Step 4: Simplify right side
    191,043.57x = 27,685,272,191.35
  5. Step 5: Solve for x
    x = 27,685,272,191.35/191,043.57
  6. Step 6: Final answer
    x = 144,916.01

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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.