Home / 156,812.82-216,386.07-88,816.23

Finding the Fourth Proportional to 156,812.82, 216,386.07 and 88,816.23

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Solution

The fourth proportional to 156,812.82, 216,386.07 and 88,816.23 is: 122,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,812.82 : 216,386.07 = 88,816.23 : x
  2. Step 2: Convert to fraction form
    156,812.82/216,386.07 = 88,816.23/x
  3. Step 3: Cross multiply
    156,812.82x = 216,386.07 × 88,816.23
  4. Step 4: Simplify right side
    156,812.82x = 19,218,594,961.92
  5. Step 5: Solve for x
    x = 19,218,594,961.92/156,812.82
  6. Step 6: Final answer
    x = 122,557.55

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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.