Home / 160,973.49-222,153.50-89,354.71

Finding the Fourth Proportional to 160,973.49, 222,153.50 and 89,354.71

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Solution

The fourth proportional to 160,973.49, 222,153.50 and 89,354.71 is: 123,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,973.49 : 222,153.50 = 89,354.71 : x
  2. Step 2: Convert to fraction form
    160,973.49/222,153.50 = 89,354.71/x
  3. Step 3: Cross multiply
    160,973.49x = 222,153.50 × 89,354.71
  4. Step 4: Simplify right side
    160,973.49x = 19,850,462,069.06
  5. Step 5: Solve for x
    x = 19,850,462,069.06/160,973.49
  6. Step 6: Final answer
    x = 123,315.10

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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.