Home / 181,358.92-250,274.36-99,689.05

Finding the Fourth Proportional to 181,358.92, 250,274.36 and 99,689.05

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Solution

The fourth proportional to 181,358.92, 250,274.36 and 99,689.05 is: 137,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,358.92 : 250,274.36 = 99,689.05 : x
  2. Step 2: Convert to fraction form
    181,358.92/250,274.36 = 99,689.05/x
  3. Step 3: Cross multiply
    181,358.92x = 250,274.36 × 99,689.05
  4. Step 4: Simplify right side
    181,358.92x = 24,949,611,437.94
  5. Step 5: Solve for x
    x = 24,949,611,437.94/181,358.92
  6. Step 6: Final answer
    x = 137,570.36

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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.