Home / 112,202.80-168,088.20-88,384.30

Finding the Fourth Proportional to 112,202.80, 168,088.20 and 88,384.30

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Solution

The fourth proportional to 112,202.80, 168,088.20 and 88,384.30 is: 132,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.80 : 168,088.20 = 88,384.30 : x
  2. Step 2: Convert to fraction form
    112,202.80/168,088.20 = 88,384.30/x
  3. Step 3: Cross multiply
    112,202.80x = 168,088.20 × 88,384.30
  4. Step 4: Simplify right side
    112,202.80x = 14,856,357,895.26
  5. Step 5: Solve for x
    x = 14,856,357,895.26/112,202.80
  6. Step 6: Final answer
    x = 132,406.30

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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.