Home / 120,752.64-166,580.75-84,962.39

Finding the Fourth Proportional to 120,752.64, 166,580.75 and 84,962.39

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Solution

The fourth proportional to 120,752.64, 166,580.75 and 84,962.39 is: 117,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,752.64 : 166,580.75 = 84,962.39 : x
  2. Step 2: Convert to fraction form
    120,752.64/166,580.75 = 84,962.39/x
  3. Step 3: Cross multiply
    120,752.64x = 166,580.75 × 84,962.39
  4. Step 4: Simplify right side
    120,752.64x = 14,153,098,027.49
  5. Step 5: Solve for x
    x = 14,153,098,027.49/120,752.64
  6. Step 6: Final answer
    x = 117,207.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.