Home / 207,605.82-286,496.02-112,112.51

Finding the Fourth Proportional to 207,605.82, 286,496.02 and 112,112.51

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Solution

The fourth proportional to 207,605.82, 286,496.02 and 112,112.51 is: 154,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,605.82 : 286,496.02 = 112,112.51 : x
  2. Step 2: Convert to fraction form
    207,605.82/286,496.02 = 112,112.51/x
  3. Step 3: Cross multiply
    207,605.82x = 286,496.02 × 112,112.51
  4. Step 4: Simplify right side
    207,605.82x = 32,119,787,907.21
  5. Step 5: Solve for x
    x = 32,119,787,907.21/207,605.82
  6. Step 6: Final answer
    x = 154,715.26

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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.