Home / 385,917.12-578,823.14-101,583.86

Finding the Fourth Proportional to 385,917.12, 578,823.14 and 101,583.86

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Solution

The fourth proportional to 385,917.12, 578,823.14 and 101,583.86 is: 152,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,917.12 : 578,823.14 = 101,583.86 : x
  2. Step 2: Convert to fraction form
    385,917.12/578,823.14 = 101,583.86/x
  3. Step 3: Cross multiply
    385,917.12x = 578,823.14 × 101,583.86
  4. Step 4: Simplify right side
    385,917.12x = 58,799,085,416.49
  5. Step 5: Solve for x
    x = 58,799,085,416.49/385,917.12
  6. Step 6: Final answer
    x = 152,361.95

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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.