Home / 375,281.16-562,980.05-126,021.48

Finding the Fourth Proportional to 375,281.16, 562,980.05 and 126,021.48

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Solution

The fourth proportional to 375,281.16, 562,980.05 and 126,021.48 is: 189,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,281.16 : 562,980.05 = 126,021.48 : x
  2. Step 2: Convert to fraction form
    375,281.16/562,980.05 = 126,021.48/x
  3. Step 3: Cross multiply
    375,281.16x = 562,980.05 × 126,021.48
  4. Step 4: Simplify right side
    375,281.16x = 70,947,577,551.64
  5. Step 5: Solve for x
    x = 70,947,577,551.64/375,281.16
  6. Step 6: Final answer
    x = 189,051.80

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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.