Home / 112,316.94-154,960.07-74,095.47

Finding the Fourth Proportional to 112,316.94, 154,960.07 and 74,095.47

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Solution

The fourth proportional to 112,316.94, 154,960.07 and 74,095.47 is: 102,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316.94 : 154,960.07 = 74,095.47 : x
  2. Step 2: Convert to fraction form
    112,316.94/154,960.07 = 74,095.47/x
  3. Step 3: Cross multiply
    112,316.94x = 154,960.07 × 74,095.47
  4. Step 4: Simplify right side
    112,316.94x = 11,481,838,847.41
  5. Step 5: Solve for x
    x = 11,481,838,847.41/112,316.94
  6. Step 6: Final answer
    x = 102,227.13

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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.