Home / 156,890.66-216,480.93-93,244.10

Finding the Fourth Proportional to 156,890.66, 216,480.93 and 93,244.10

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Solution

The fourth proportional to 156,890.66, 216,480.93 and 93,244.10 is: 128,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,890.66 : 216,480.93 = 93,244.10 : x
  2. Step 2: Convert to fraction form
    156,890.66/216,480.93 = 93,244.10/x
  3. Step 3: Cross multiply
    156,890.66x = 216,480.93 × 93,244.10
  4. Step 4: Simplify right side
    156,890.66x = 20,185,569,485.01
  5. Step 5: Solve for x
    x = 20,185,569,485.01/156,890.66
  6. Step 6: Final answer
    x = 128,660.11

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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.