Home / 207,685.70-286,606.08-112,192.37

Finding the Fourth Proportional to 207,685.70, 286,606.08 and 112,192.37

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Solution

The fourth proportional to 207,685.70, 286,606.08 and 112,192.37 is: 154,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,685.70 : 286,606.08 = 112,192.37 : x
  2. Step 2: Convert to fraction form
    207,685.70/286,606.08 = 112,192.37/x
  3. Step 3: Cross multiply
    207,685.70x = 286,606.08 × 112,192.37
  4. Step 4: Simplify right side
    207,685.70x = 32,155,015,371.61
  5. Step 5: Solve for x
    x = 32,155,015,371.61/207,685.70
  6. Step 6: Final answer
    x = 154,825.37

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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.