Home / 156,860.12-235,334.10-63,431.48

Finding the Fourth Proportional to 156,860.12, 235,334.10 and 63,431.48

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Solution

The fourth proportional to 156,860.12, 235,334.10 and 63,431.48 is: 95,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,860.12 : 235,334.10 = 63,431.48 : x
  2. Step 2: Convert to fraction form
    156,860.12/235,334.10 = 63,431.48/x
  3. Step 3: Cross multiply
    156,860.12x = 235,334.10 × 63,431.48
  4. Step 4: Simplify right side
    156,860.12x = 14,927,590,257.47
  5. Step 5: Solve for x
    x = 14,927,590,257.47/156,860.12
  6. Step 6: Final answer
    x = 95,164.98

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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.