Home / 207,924.55-286,935.67-112,431.02

Finding the Fourth Proportional to 207,924.55, 286,935.67 and 112,431.02

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Solution

The fourth proportional to 207,924.55, 286,935.67 and 112,431.02 is: 155,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,924.55 : 286,935.67 = 112,431.02 : x
  2. Step 2: Convert to fraction form
    207,924.55/286,935.67 = 112,431.02/x
  3. Step 3: Cross multiply
    207,924.55x = 286,935.67 × 112,431.02
  4. Step 4: Simplify right side
    207,924.55x = 32,260,470,052.48
  5. Step 5: Solve for x
    x = 32,260,470,052.48/207,924.55
  6. Step 6: Final answer
    x = 155,154.69

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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.