Home / 114,926.60-172,001.10-100,929.80

Finding the Fourth Proportional to 114,926.60, 172,001.10 and 100,929.80

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Solution

The fourth proportional to 114,926.60, 172,001.10 and 100,929.80 is: 151,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,926.60 : 172,001.10 = 100,929.80 : x
  2. Step 2: Convert to fraction form
    114,926.60/172,001.10 = 100,929.80/x
  3. Step 3: Cross multiply
    114,926.60x = 172,001.10 × 100,929.80
  4. Step 4: Simplify right side
    114,926.60x = 17,360,036,622.78
  5. Step 5: Solve for x
    x = 17,360,036,622.78/114,926.60
  6. Step 6: Final answer
    x = 151,053.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.