Home / 140,325.18-193,587.03-83,703.75

Finding the Fourth Proportional to 140,325.18, 193,587.03 and 83,703.75

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Solution

The fourth proportional to 140,325.18, 193,587.03 and 83,703.75 is: 115,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,325.18 : 193,587.03 = 83,703.75 : x
  2. Step 2: Convert to fraction form
    140,325.18/193,587.03 = 83,703.75/x
  3. Step 3: Cross multiply
    140,325.18x = 193,587.03 × 83,703.75
  4. Step 4: Simplify right side
    140,325.18x = 16,203,960,362.36
  5. Step 5: Solve for x
    x = 16,203,960,362.36/140,325.18
  6. Step 6: Final answer
    x = 115,474.36

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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.