Home / 375,281.10-562,979.96-126,021.42

Finding the Fourth Proportional to 375,281.10, 562,979.96 and 126,021.42

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Solution

The fourth proportional to 375,281.10, 562,979.96 and 126,021.42 is: 189,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,281.10 : 562,979.96 = 126,021.42 : x
  2. Step 2: Convert to fraction form
    375,281.10/562,979.96 = 126,021.42/x
  3. Step 3: Cross multiply
    375,281.10x = 562,979.96 × 126,021.42
  4. Step 4: Simplify right side
    375,281.10x = 70,947,533,990.74
  5. Step 5: Solve for x
    x = 70,947,533,990.74/375,281.10
  6. Step 6: Final answer
    x = 189,051.71

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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.