Home / 156,659.31-234,916.07-56,815.47

Finding the Fourth Proportional to 156,659.31, 234,916.07 and 56,815.47

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Solution

The fourth proportional to 156,659.31, 234,916.07 and 56,815.47 is: 85,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,659.31 : 234,916.07 = 56,815.47 : x
  2. Step 2: Convert to fraction form
    156,659.31/234,916.07 = 56,815.47/x
  3. Step 3: Cross multiply
    156,659.31x = 234,916.07 × 56,815.47
  4. Step 4: Simplify right side
    156,659.31x = 13,346,866,643.53
  5. Step 5: Solve for x
    x = 13,346,866,643.53/156,659.31
  6. Step 6: Final answer
    x = 85,196.77

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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.