Home / 374,430.10-561,645.15-125,112.10

Finding the Fourth Proportional to 374,430.10, 561,645.15 and 125,112.10

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Solution

The fourth proportional to 374,430.10, 561,645.15 and 125,112.10 is: 187,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,430.10 : 561,645.15 = 125,112.10 : x
  2. Step 2: Convert to fraction form
    374,430.10/561,645.15 = 125,112.10/x
  3. Step 3: Cross multiply
    374,430.10x = 561,645.15 × 125,112.10
  4. Step 4: Simplify right side
    374,430.10x = 70,268,604,171.32
  5. Step 5: Solve for x
    x = 70,268,604,171.32/374,430.10
  6. Step 6: Final answer
    x = 187,668.15

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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.