Home / 191,159.04-263,806.20-105,124.56

Finding the Fourth Proportional to 191,159.04, 263,806.20 and 105,124.56

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Solution

The fourth proportional to 191,159.04, 263,806.20 and 105,124.56 is: 145,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,159.04 : 263,806.20 = 105,124.56 : x
  2. Step 2: Convert to fraction form
    191,159.04/263,806.20 = 105,124.56/x
  3. Step 3: Cross multiply
    191,159.04x = 263,806.20 × 105,124.56
  4. Step 4: Simplify right side
    191,159.04x = 27,732,510,700.27
  5. Step 5: Solve for x
    x = 27,732,510,700.27/191,159.04
  6. Step 6: Final answer
    x = 145,075.59

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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.