Home / 385,186.32-577,777.80-104,702.76

Finding the Fourth Proportional to 385,186.32, 577,777.80 and 104,702.76

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Solution

The fourth proportional to 385,186.32, 577,777.80 and 104,702.76 is: 157,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,186.32 : 577,777.80 = 104,702.76 : x
  2. Step 2: Convert to fraction form
    385,186.32/577,777.80 = 104,702.76/x
  3. Step 3: Cross multiply
    385,186.32x = 577,777.80 × 104,702.76
  4. Step 4: Simplify right side
    385,186.32x = 60,494,930,326.73
  5. Step 5: Solve for x
    x = 60,494,930,326.73/385,186.32
  6. Step 6: Final answer
    x = 157,053.68

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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.