Home / 191,044.07-263,643.55-105,011.02

Finding the Fourth Proportional to 191,044.07, 263,643.55 and 105,011.02

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Solution

The fourth proportional to 191,044.07, 263,643.55 and 105,011.02 is: 144,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,044.07 : 263,643.55 = 105,011.02 : x
  2. Step 2: Convert to fraction form
    191,044.07/263,643.55 = 105,011.02/x
  3. Step 3: Cross multiply
    191,044.07x = 263,643.55 × 105,011.02
  4. Step 4: Simplify right side
    191,044.07x = 27,685,476,783.70
  5. Step 5: Solve for x
    x = 27,685,476,783.70/191,044.07
  6. Step 6: Final answer
    x = 144,916.71

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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.