Home / 161,962.84-223,507.22-89,366.40

Finding the Fourth Proportional to 161,962.84, 223,507.22 and 89,366.40

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Solution

The fourth proportional to 161,962.84, 223,507.22 and 89,366.40 is: 123,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.84 : 223,507.22 = 89,366.40 : x
  2. Step 2: Convert to fraction form
    161,962.84/223,507.22 = 89,366.40/x
  3. Step 3: Cross multiply
    161,962.84x = 223,507.22 × 89,366.40
  4. Step 4: Simplify right side
    161,962.84x = 19,974,035,625.41
  5. Step 5: Solve for x
    x = 19,974,035,625.41/161,962.84
  6. Step 6: Final answer
    x = 123,324.80

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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.