Home / 119,588.60-164,960.30-76,577.40

Finding the Fourth Proportional to 119,588.60, 164,960.30 and 76,577.40

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Solution

The fourth proportional to 119,588.60, 164,960.30 and 76,577.40 is: 105,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,588.60 : 164,960.30 = 76,577.40 : x
  2. Step 2: Convert to fraction form
    119,588.60/164,960.30 = 76,577.40/x
  3. Step 3: Cross multiply
    119,588.60x = 164,960.30 × 76,577.40
  4. Step 4: Simplify right side
    119,588.60x = 12,632,230,877.22
  5. Step 5: Solve for x
    x = 12,632,230,877.22/119,588.60
  6. Step 6: Final answer
    x = 105,630.73

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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.