Home / 156,984.82-216,634.51-89,008.13

Finding the Fourth Proportional to 156,984.82, 216,634.51 and 89,008.13

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Solution

The fourth proportional to 156,984.82, 216,634.51 and 89,008.13 is: 122,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.82 : 216,634.51 = 89,008.13 : x
  2. Step 2: Convert to fraction form
    156,984.82/216,634.51 = 89,008.13/x
  3. Step 3: Cross multiply
    156,984.82x = 216,634.51 × 89,008.13
  4. Step 4: Simplify right side
    156,984.82x = 19,282,232,628.57
  5. Step 5: Solve for x
    x = 19,282,232,628.57/156,984.82
  6. Step 6: Final answer
    x = 122,828.64

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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.