Home / 374,461.32-561,575.34-125,085

Finding the Fourth Proportional to 374,461.32, 561,575.34 and 125,085

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Solution

The fourth proportional to 374,461.32, 561,575.34 and 125,085 is: 187,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,461.32 : 561,575.34 = 125,085 : x
  2. Step 2: Convert to fraction form
    374,461.32/561,575.34 = 125,085/x
  3. Step 3: Cross multiply
    374,461.32x = 561,575.34 × 125,085
  4. Step 4: Simplify right side
    374,461.32x = 70,244,651,403.90
  5. Step 5: Solve for x
    x = 70,244,651,403.90/374,461.32
  6. Step 6: Final answer
    x = 187,588.54

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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.