Home / 156,909.90-235,232.59-68,096.51

Finding the Fourth Proportional to 156,909.90, 235,232.59 and 68,096.51

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Solution

The fourth proportional to 156,909.90, 235,232.59 and 68,096.51 is: 102,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.90 : 235,232.59 = 68,096.51 : x
  2. Step 2: Convert to fraction form
    156,909.90/235,232.59 = 68,096.51/x
  3. Step 3: Cross multiply
    156,909.90x = 235,232.59 × 68,096.51
  4. Step 4: Simplify right side
    156,909.90x = 16,018,518,417.26
  5. Step 5: Solve for x
    x = 16,018,518,417.26/156,909.90
  6. Step 6: Final answer
    x = 102,087.37

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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.