Home / 131,000.18-196,335.96-56,032.32

Finding the Fourth Proportional to 131,000.18, 196,335.96 and 56,032.32

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Solution

The fourth proportional to 131,000.18, 196,335.96 and 56,032.32 is: 83,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,000.18 : 196,335.96 = 56,032.32 : x
  2. Step 2: Convert to fraction form
    131,000.18/196,335.96 = 56,032.32/x
  3. Step 3: Cross multiply
    131,000.18x = 196,335.96 × 56,032.32
  4. Step 4: Simplify right side
    131,000.18x = 11,001,159,338.23
  5. Step 5: Solve for x
    x = 11,001,159,338.23/131,000.18
  6. Step 6: Final answer
    x = 83,978.20

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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.