Home / 207,616.79-286,511.13-112,123.47

Finding the Fourth Proportional to 207,616.79, 286,511.13 and 112,123.47

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Solution

The fourth proportional to 207,616.79, 286,511.13 and 112,123.47 is: 154,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,616.79 : 286,511.13 = 112,123.47 : x
  2. Step 2: Convert to fraction form
    207,616.79/286,511.13 = 112,123.47/x
  3. Step 3: Cross multiply
    207,616.79x = 286,511.13 × 112,123.47
  4. Step 4: Simplify right side
    207,616.79x = 32,124,622,089.22
  5. Step 5: Solve for x
    x = 32,124,622,089.22/207,616.79
  6. Step 6: Final answer
    x = 154,730.37

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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.