Home / 236,000.06-353,868.85-78,142.40

Finding the Fourth Proportional to 236,000.06, 353,868.85 and 78,142.40

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Solution

The fourth proportional to 236,000.06, 353,868.85 and 78,142.40 is: 117,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,000.06 : 353,868.85 = 78,142.40 : x
  2. Step 2: Convert to fraction form
    236,000.06/353,868.85 = 78,142.40/x
  3. Step 3: Cross multiply
    236,000.06x = 353,868.85 × 78,142.40
  4. Step 4: Simplify right side
    236,000.06x = 27,652,161,224.24
  5. Step 5: Solve for x
    x = 27,652,161,224.24/236,000.06
  6. Step 6: Final answer
    x = 117,170.14

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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.