Home / 181,044.21-249,855.93-100,470.27

Finding the Fourth Proportional to 181,044.21, 249,855.93 and 100,470.27

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Solution

The fourth proportional to 181,044.21, 249,855.93 and 100,470.27 is: 138,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,044.21 : 249,855.93 = 100,470.27 : x
  2. Step 2: Convert to fraction form
    181,044.21/249,855.93 = 100,470.27/x
  3. Step 3: Cross multiply
    181,044.21x = 249,855.93 × 100,470.27
  4. Step 4: Simplify right side
    181,044.21x = 25,103,092,748.20
  5. Step 5: Solve for x
    x = 25,103,092,748.20/181,044.21
  6. Step 6: Final answer
    x = 138,657.25

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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.