Home / 385,867.23-578,801.16-161,105.13

Finding the Fourth Proportional to 385,867.23, 578,801.16 and 161,105.13

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Solution

The fourth proportional to 385,867.23, 578,801.16 and 161,105.13 is: 241,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,867.23 : 578,801.16 = 161,105.13 : x
  2. Step 2: Convert to fraction form
    385,867.23/578,801.16 = 161,105.13/x
  3. Step 3: Cross multiply
    385,867.23x = 578,801.16 × 161,105.13
  4. Step 4: Simplify right side
    385,867.23x = 93,247,836,125.95
  5. Step 5: Solve for x
    x = 93,247,836,125.95/385,867.23
  6. Step 6: Final answer
    x = 241,657.83

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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.