Home / 225,712.02-311,267.70-135,053.58

Finding the Fourth Proportional to 225,712.02, 311,267.70 and 135,053.58

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Solution

The fourth proportional to 225,712.02, 311,267.70 and 135,053.58 is: 186,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,712.02 : 311,267.70 = 135,053.58 : x
  2. Step 2: Convert to fraction form
    225,712.02/311,267.70 = 135,053.58/x
  3. Step 3: Cross multiply
    225,712.02x = 311,267.70 × 135,053.58
  4. Step 4: Simplify right side
    225,712.02x = 42,037,817,223.37
  5. Step 5: Solve for x
    x = 42,037,817,223.37/225,712.02
  6. Step 6: Final answer
    x = 186,245.36

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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.