Home / 185,075.65-255,404.51-100,192.71

Finding the Fourth Proportional to 185,075.65, 255,404.51 and 100,192.71

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Solution

The fourth proportional to 185,075.65, 255,404.51 and 100,192.71 is: 138,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,075.65 : 255,404.51 = 100,192.71 : x
  2. Step 2: Convert to fraction form
    185,075.65/255,404.51 = 100,192.71/x
  3. Step 3: Cross multiply
    185,075.65x = 255,404.51 × 100,192.71
  4. Step 4: Simplify right side
    185,075.65x = 25,589,670,835.65
  5. Step 5: Solve for x
    x = 25,589,670,835.65/185,075.65
  6. Step 6: Final answer
    x = 138,266.00

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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.