Home / 153,529.45-230,294.40-78,608.76

Finding the Fourth Proportional to 153,529.45, 230,294.40 and 78,608.76

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Solution

The fourth proportional to 153,529.45, 230,294.40 and 78,608.76 is: 117,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,529.45 : 230,294.40 = 78,608.76 : x
  2. Step 2: Convert to fraction form
    153,529.45/230,294.40 = 78,608.76/x
  3. Step 3: Cross multiply
    153,529.45x = 230,294.40 × 78,608.76
  4. Step 4: Simplify right side
    153,529.45x = 18,103,157,218.94
  5. Step 5: Solve for x
    x = 18,103,157,218.94/153,529.45
  6. Step 6: Final answer
    x = 117,913.26

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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.