Home / 374,427.10-561,640.65-108,196.30

Finding the Fourth Proportional to 374,427.10, 561,640.65 and 108,196.30

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Solution

The fourth proportional to 374,427.10, 561,640.65 and 108,196.30 is: 162,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,427.10 : 561,640.65 = 108,196.30 : x
  2. Step 2: Convert to fraction form
    374,427.10/561,640.65 = 108,196.30/x
  3. Step 3: Cross multiply
    374,427.10x = 561,640.65 × 108,196.30
  4. Step 4: Simplify right side
    374,427.10x = 60,767,440,259.60
  5. Step 5: Solve for x
    x = 60,767,440,259.60/374,427.10
  6. Step 6: Final answer
    x = 162,294.45

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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.