Home / 385,091.37-577,423.67-157,546.76

Finding the Fourth Proportional to 385,091.37, 577,423.67 and 157,546.76

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Solution

The fourth proportional to 385,091.37, 577,423.67 and 157,546.76 is: 236,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,091.37 : 577,423.67 = 157,546.76 : x
  2. Step 2: Convert to fraction form
    385,091.37/577,423.67 = 157,546.76/x
  3. Step 3: Cross multiply
    385,091.37x = 577,423.67 × 157,546.76
  4. Step 4: Simplify right side
    385,091.37x = 90,971,224,680.96
  5. Step 5: Solve for x
    x = 90,971,224,680.96/385,091.37
  6. Step 6: Final answer
    x = 236,232.83

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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.