Home / 205,157.48-307,705.43-64,897.88

Finding the Fourth Proportional to 205,157.48, 307,705.43 and 64,897.88

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Solution

The fourth proportional to 205,157.48, 307,705.43 and 64,897.88 is: 97,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,157.48 : 307,705.43 = 64,897.88 : x
  2. Step 2: Convert to fraction form
    205,157.48/307,705.43 = 64,897.88/x
  3. Step 3: Cross multiply
    205,157.48x = 307,705.43 × 64,897.88
  4. Step 4: Simplify right side
    205,157.48x = 19,969,428,695.21
  5. Step 5: Solve for x
    x = 19,969,428,695.21/205,157.48
  6. Step 6: Final answer
    x = 97,337.08

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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.