Home / 140,358.90-193,692.96-76,695.34

Finding the Fourth Proportional to 140,358.90, 193,692.96 and 76,695.34

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Solution

The fourth proportional to 140,358.90, 193,692.96 and 76,695.34 is: 105,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,358.90 : 193,692.96 = 76,695.34 : x
  2. Step 2: Convert to fraction form
    140,358.90/193,692.96 = 76,695.34/x
  3. Step 3: Cross multiply
    140,358.90x = 193,692.96 × 76,695.34
  4. Step 4: Simplify right side
    140,358.90x = 14,855,347,422.81
  5. Step 5: Solve for x
    x = 14,855,347,422.81/140,358.90
  6. Step 6: Final answer
    x = 105,838.30

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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.