Home / 289,986.15-434,979.23-124,098.15

Finding the Fourth Proportional to 289,986.15, 434,979.23 and 124,098.15

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Solution

The fourth proportional to 289,986.15, 434,979.23 and 124,098.15 is: 186,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,986.15 : 434,979.23 = 124,098.15 : x
  2. Step 2: Convert to fraction form
    289,986.15/434,979.23 = 124,098.15/x
  3. Step 3: Cross multiply
    289,986.15x = 434,979.23 × 124,098.15
  4. Step 4: Simplify right side
    289,986.15x = 53,980,117,110.93
  5. Step 5: Solve for x
    x = 53,980,117,110.93/289,986.15
  6. Step 6: Final answer
    x = 186,147.23

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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.