Home / 186,838.08-280,265.76-53,715.36

Finding the Fourth Proportional to 186,838.08, 280,265.76 and 53,715.36

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Solution

The fourth proportional to 186,838.08, 280,265.76 and 53,715.36 is: 80,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,838.08 : 280,265.76 = 53,715.36 : x
  2. Step 2: Convert to fraction form
    186,838.08/280,265.76 = 53,715.36/x
  3. Step 3: Cross multiply
    186,838.08x = 280,265.76 × 53,715.36
  4. Step 4: Simplify right side
    186,838.08x = 15,054,576,194.07
  5. Step 5: Solve for x
    x = 15,054,576,194.07/186,838.08
  6. Step 6: Final answer
    x = 80,575.52

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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.