Home / 375,281.46-562,980.50-126,021.78

Finding the Fourth Proportional to 375,281.46, 562,980.50 and 126,021.78

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Solution

The fourth proportional to 375,281.46, 562,980.50 and 126,021.78 is: 189,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,281.46 : 562,980.50 = 126,021.78 : x
  2. Step 2: Convert to fraction form
    375,281.46/562,980.50 = 126,021.78/x
  3. Step 3: Cross multiply
    375,281.46x = 562,980.50 × 126,021.78
  4. Step 4: Simplify right side
    375,281.46x = 70,947,804,715.29
  5. Step 5: Solve for x
    x = 70,947,804,715.29/375,281.46
  6. Step 6: Final answer
    x = 189,052.25

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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.