Home / 156,688.02-216,212.49-88,694.19

Finding the Fourth Proportional to 156,688.02, 216,212.49 and 88,694.19

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Solution

The fourth proportional to 156,688.02, 216,212.49 and 88,694.19 is: 122,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,688.02 : 216,212.49 = 88,694.19 : x
  2. Step 2: Convert to fraction form
    156,688.02/216,212.49 = 88,694.19/x
  3. Step 3: Cross multiply
    156,688.02x = 216,212.49 × 88,694.19
  4. Step 4: Simplify right side
    156,688.02x = 19,176,791,668.43
  5. Step 5: Solve for x
    x = 19,176,791,668.43/156,688.02
  6. Step 6: Final answer
    x = 122,388.37

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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.