Home / 186,823.86-280,385.24-98,129.67

Finding the Fourth Proportional to 186,823.86, 280,385.24 and 98,129.67

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Solution

The fourth proportional to 186,823.86, 280,385.24 and 98,129.67 is: 147,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,823.86 : 280,385.24 = 98,129.67 : x
  2. Step 2: Convert to fraction form
    186,823.86/280,385.24 = 98,129.67/x
  3. Step 3: Cross multiply
    186,823.86x = 280,385.24 × 98,129.67
  4. Step 4: Simplify right side
    186,823.86x = 27,514,110,583.42
  5. Step 5: Solve for x
    x = 27,514,110,583.42/186,823.86
  6. Step 6: Final answer
    x = 147,273.00

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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.