Home / 161,515.29-242,253.86-43,195.80

Finding the Fourth Proportional to 161,515.29, 242,253.86 and 43,195.80

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Solution

The fourth proportional to 161,515.29, 242,253.86 and 43,195.80 is: 64,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.29 : 242,253.86 = 43,195.80 : x
  2. Step 2: Convert to fraction form
    161,515.29/242,253.86 = 43,195.80/x
  3. Step 3: Cross multiply
    161,515.29x = 242,253.86 × 43,195.80
  4. Step 4: Simplify right side
    161,515.29x = 10,464,349,069.81
  5. Step 5: Solve for x
    x = 10,464,349,069.81/161,515.29
  6. Step 6: Final answer
    x = 64,788.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.