Home / 156,802.74-235,239.39-51,617.94

Finding the Fourth Proportional to 156,802.74, 235,239.39 and 51,617.94

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Solution

The fourth proportional to 156,802.74, 235,239.39 and 51,617.94 is: 77,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,802.74 : 235,239.39 = 51,617.94 : x
  2. Step 2: Convert to fraction form
    156,802.74/235,239.39 = 51,617.94/x
  3. Step 3: Cross multiply
    156,802.74x = 235,239.39 × 51,617.94
  4. Step 4: Simplify right side
    156,802.74x = 12,142,572,718.66
  5. Step 5: Solve for x
    x = 12,142,572,718.66/156,802.74
  6. Step 6: Final answer
    x = 77,438.52

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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.