Home / 205,032.20-307,548.30-144,897.80

Finding the Fourth Proportional to 205,032.20, 307,548.30 and 144,897.80

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Solution

The fourth proportional to 205,032.20, 307,548.30 and 144,897.80 is: 217,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,032.20 : 307,548.30 = 144,897.80 : x
  2. Step 2: Convert to fraction form
    205,032.20/307,548.30 = 144,897.80/x
  3. Step 3: Cross multiply
    205,032.20x = 307,548.30 × 144,897.80
  4. Step 4: Simplify right side
    205,032.20x = 44,563,072,063.74
  5. Step 5: Solve for x
    x = 44,563,072,063.74/205,032.20
  6. Step 6: Final answer
    x = 217,346.70

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1.5x scale

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.