Home / 205,050.40-307,546.80-64,823.20

Finding the Fourth Proportional to 205,050.40, 307,546.80 and 64,823.20

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Solution

The fourth proportional to 205,050.40, 307,546.80 and 64,823.20 is: 97,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,050.40 : 307,546.80 = 64,823.20 : x
  2. Step 2: Convert to fraction form
    205,050.40/307,546.80 = 64,823.20/x
  3. Step 3: Cross multiply
    205,050.40x = 307,546.80 × 64,823.20
  4. Step 4: Simplify right side
    205,050.40x = 19,936,167,725.76
  5. Step 5: Solve for x
    x = 19,936,167,725.76/205,050.40
  6. Step 6: Final answer
    x = 97,225.70

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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.