Home / 156,739.71-235,035.45-60,721.91

Finding the Fourth Proportional to 156,739.71, 235,035.45 and 60,721.91

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Solution

The fourth proportional to 156,739.71, 235,035.45 and 60,721.91 is: 91,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.71 : 235,035.45 = 60,721.91 : x
  2. Step 2: Convert to fraction form
    156,739.71/235,035.45 = 60,721.91/x
  3. Step 3: Cross multiply
    156,739.71x = 235,035.45 × 60,721.91
  4. Step 4: Simplify right side
    156,739.71x = 14,271,801,441.71
  5. Step 5: Solve for x
    x = 14,271,801,441.71/156,739.71
  6. Step 6: Final answer
    x = 91,054.15

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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.