Home / 161,370.04-222,689.40-88,771.36

Finding the Fourth Proportional to 161,370.04, 222,689.40 and 88,771.36

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Solution

The fourth proportional to 161,370.04, 222,689.40 and 88,771.36 is: 122,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,370.04 : 222,689.40 = 88,771.36 : x
  2. Step 2: Convert to fraction form
    161,370.04/222,689.40 = 88,771.36/x
  3. Step 3: Cross multiply
    161,370.04x = 222,689.40 × 88,771.36
  4. Step 4: Simplify right side
    161,370.04x = 19,768,440,895.58
  5. Step 5: Solve for x
    x = 19,768,440,895.58/161,370.04
  6. Step 6: Final answer
    x = 122,503.79

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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.