Home / 156,931.83-216,495.99-104,558.04

Finding the Fourth Proportional to 156,931.83, 216,495.99 and 104,558.04

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Solution

The fourth proportional to 156,931.83, 216,495.99 and 104,558.04 is: 144,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.83 : 216,495.99 = 104,558.04 : x
  2. Step 2: Convert to fraction form
    156,931.83/216,495.99 = 104,558.04/x
  3. Step 3: Cross multiply
    156,931.83x = 216,495.99 × 104,558.04
  4. Step 4: Simplify right side
    156,931.83x = 22,636,396,382.26
  5. Step 5: Solve for x
    x = 22,636,396,382.26/156,931.83
  6. Step 6: Final answer
    x = 144,243.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.