Home / 156,880.52-216,513.54-93,218.36

Finding the Fourth Proportional to 156,880.52, 216,513.54 and 93,218.36

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Solution

The fourth proportional to 156,880.52, 216,513.54 and 93,218.36 is: 128,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,880.52 : 216,513.54 = 93,218.36 : x
  2. Step 2: Convert to fraction form
    156,880.52/216,513.54 = 93,218.36/x
  3. Step 3: Cross multiply
    156,880.52x = 216,513.54 × 93,218.36
  4. Step 4: Simplify right side
    156,880.52x = 20,183,037,116.59
  5. Step 5: Solve for x
    x = 20,183,037,116.59/156,880.52
  6. Step 6: Final answer
    x = 128,652.28

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1.5x scale

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.