Home / 107,335.44-161,068.68-67,838.16

Finding the Fourth Proportional to 107,335.44, 161,068.68 and 67,838.16

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Solution

The fourth proportional to 107,335.44, 161,068.68 and 67,838.16 is: 101,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.44 : 161,068.68 = 67,838.16 : x
  2. Step 2: Convert to fraction form
    107,335.44/161,068.68 = 67,838.16/x
  3. Step 3: Cross multiply
    107,335.44x = 161,068.68 × 67,838.16
  4. Step 4: Simplify right side
    107,335.44x = 10,926,602,884.83
  5. Step 5: Solve for x
    x = 10,926,602,884.83/107,335.44
  6. Step 6: Final answer
    x = 101,798.65

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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.