Home / 186,823.08-280,384.07-98,128.89

Finding the Fourth Proportional to 186,823.08, 280,384.07 and 98,128.89

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Solution

The fourth proportional to 186,823.08, 280,384.07 and 98,128.89 is: 147,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,823.08 : 280,384.07 = 98,128.89 : x
  2. Step 2: Convert to fraction form
    186,823.08/280,384.07 = 98,128.89/x
  3. Step 3: Cross multiply
    186,823.08x = 280,384.07 × 98,128.89
  4. Step 4: Simplify right side
    186,823.08x = 27,513,777,072.14
  5. Step 5: Solve for x
    x = 27,513,777,072.14/186,823.08
  6. Step 6: Final answer
    x = 147,271.83

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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.