Home / 112,384.10-168,248.10-100,574.30

Finding the Fourth Proportional to 112,384.10, 168,248.10 and 100,574.30

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Solution

The fourth proportional to 112,384.10, 168,248.10 and 100,574.30 is: 150,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.10 : 168,248.10 = 100,574.30 : x
  2. Step 2: Convert to fraction form
    112,384.10/168,248.10 = 100,574.30/x
  3. Step 3: Cross multiply
    112,384.10x = 168,248.10 × 100,574.30
  4. Step 4: Simplify right side
    112,384.10x = 16,921,434,883.83
  5. Step 5: Solve for x
    x = 16,921,434,883.83/112,384.10
  6. Step 6: Final answer
    x = 150,567.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.