Home / 261,942.96-392,585.48-112,007.12

Finding the Fourth Proportional to 261,942.96, 392,585.48 and 112,007.12

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Solution

The fourth proportional to 261,942.96, 392,585.48 and 112,007.12 is: 167,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,942.96 : 392,585.48 = 112,007.12 : x
  2. Step 2: Convert to fraction form
    261,942.96/392,585.48 = 112,007.12/x
  3. Step 3: Cross multiply
    261,942.96x = 392,585.48 × 112,007.12
  4. Step 4: Simplify right side
    261,942.96x = 43,972,368,968.62
  5. Step 5: Solve for x
    x = 43,972,368,968.62/261,942.96
  6. Step 6: Final answer
    x = 167,870.02

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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.