Home / 156,904.84-216,523.38-89,823.88

Finding the Fourth Proportional to 156,904.84, 216,523.38 and 89,823.88

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Solution

The fourth proportional to 156,904.84, 216,523.38 and 89,823.88 is: 123,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.84 : 216,523.38 = 89,823.88 : x
  2. Step 2: Convert to fraction form
    156,904.84/216,523.38 = 89,823.88/x
  3. Step 3: Cross multiply
    156,904.84x = 216,523.38 × 89,823.88
  4. Step 4: Simplify right side
    156,904.84x = 19,448,970,102.31
  5. Step 5: Solve for x
    x = 19,448,970,102.31/156,904.84
  6. Step 6: Final answer
    x = 123,953.92

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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.