Home / 135,228.80-186,768.90-92,133.50

Finding the Fourth Proportional to 135,228.80, 186,768.90 and 92,133.50

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Solution

The fourth proportional to 135,228.80, 186,768.90 and 92,133.50 is: 127,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,228.80 : 186,768.90 = 92,133.50 : x
  2. Step 2: Convert to fraction form
    135,228.80/186,768.90 = 92,133.50/x
  3. Step 3: Cross multiply
    135,228.80x = 186,768.90 × 92,133.50
  4. Step 4: Simplify right side
    135,228.80x = 17,207,672,448.15
  5. Step 5: Solve for x
    x = 17,207,672,448.15/135,228.80
  6. Step 6: Final answer
    x = 127,248.58

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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.