Home / 207,929.57-286,943.11-112,436.26

Finding the Fourth Proportional to 207,929.57, 286,943.11 and 112,436.26

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Solution

The fourth proportional to 207,929.57, 286,943.11 and 112,436.26 is: 155,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,929.57 : 286,943.11 = 112,436.26 : x
  2. Step 2: Convert to fraction form
    207,929.57/286,943.11 = 112,436.26/x
  3. Step 3: Cross multiply
    207,929.57x = 286,943.11 × 112,436.26
  4. Step 4: Simplify right side
    207,929.57x = 32,262,809,122.72
  5. Step 5: Solve for x
    x = 32,262,809,122.72/207,929.57
  6. Step 6: Final answer
    x = 155,162.20

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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.