Home / 112,203.02-168,206.12-45,699.09

Finding the Fourth Proportional to 112,203.02, 168,206.12 and 45,699.09

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Solution

The fourth proportional to 112,203.02, 168,206.12 and 45,699.09 is: 68,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.02 : 168,206.12 = 45,699.09 : x
  2. Step 2: Convert to fraction form
    112,203.02/168,206.12 = 45,699.09/x
  3. Step 3: Cross multiply
    112,203.02x = 168,206.12 × 45,699.09
  4. Step 4: Simplify right side
    112,203.02x = 7,686,865,928.53
  5. Step 5: Solve for x
    x = 7,686,865,928.53/112,203.02
  6. Step 6: Final answer
    x = 68,508.55

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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.