Home / 112,189.40-168,398.21-56,069.77

Finding the Fourth Proportional to 112,189.40, 168,398.21 and 56,069.77

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Solution

The fourth proportional to 112,189.40, 168,398.21 and 56,069.77 is: 84,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,189.40 : 168,398.21 = 56,069.77 : x
  2. Step 2: Convert to fraction form
    112,189.40/168,398.21 = 56,069.77/x
  3. Step 3: Cross multiply
    112,189.40x = 168,398.21 × 56,069.77
  4. Step 4: Simplify right side
    112,189.40x = 9,442,048,903.11
  5. Step 5: Solve for x
    x = 9,442,048,903.11/112,189.40
  6. Step 6: Final answer
    x = 84,161.68

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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.