Home / 160,973.12-222,152.99-89,354.34

Finding the Fourth Proportional to 160,973.12, 222,152.99 and 89,354.34

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Solution

The fourth proportional to 160,973.12, 222,152.99 and 89,354.34 is: 123,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,973.12 : 222,152.99 = 89,354.34 : x
  2. Step 2: Convert to fraction form
    160,973.12/222,152.99 = 89,354.34/x
  3. Step 3: Cross multiply
    160,973.12x = 222,152.99 × 89,354.34
  4. Step 4: Simplify right side
    160,973.12x = 19,850,333,800.48
  5. Step 5: Solve for x
    x = 19,850,333,800.48/160,973.12
  6. Step 6: Final answer
    x = 123,314.59

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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.