Home / 119,223.45-164,542.67-71,503.05

Finding the Fourth Proportional to 119,223.45, 164,542.67 and 71,503.05

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Solution

The fourth proportional to 119,223.45, 164,542.67 and 71,503.05 is: 98,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,223.45 : 164,542.67 = 71,503.05 : x
  2. Step 2: Convert to fraction form
    119,223.45/164,542.67 = 71,503.05/x
  3. Step 3: Cross multiply
    119,223.45x = 164,542.67 × 71,503.05
  4. Step 4: Simplify right side
    119,223.45x = 11,765,302,402.63
  5. Step 5: Solve for x
    x = 11,765,302,402.63/119,223.45
  6. Step 6: Final answer
    x = 98,682.79

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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.