Home / 659,140.92-988,623.90-185,864.40

Finding the Fourth Proportional to 659,140.92, 988,623.90 and 185,864.40

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Solution

The fourth proportional to 659,140.92, 988,623.90 and 185,864.40 is: 278,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,140.92 : 988,623.90 = 185,864.40 : x
  2. Step 2: Convert to fraction form
    659,140.92/988,623.90 = 185,864.40/x
  3. Step 3: Cross multiply
    659,140.92x = 988,623.90 × 185,864.40
  4. Step 4: Simplify right side
    659,140.92x = 183,749,987,999.16
  5. Step 5: Solve for x
    x = 183,749,987,999.16/659,140.92
  6. Step 6: Final answer
    x = 278,771.93

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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.