Home / 385,867.68-578,823.38-119,666.04

Finding the Fourth Proportional to 385,867.68, 578,823.38 and 119,666.04

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Solution

The fourth proportional to 385,867.68, 578,823.38 and 119,666.04 is: 179,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,867.68 : 578,823.38 = 119,666.04 : x
  2. Step 2: Convert to fraction form
    385,867.68/578,823.38 = 119,666.04/x
  3. Step 3: Cross multiply
    385,867.68x = 578,823.38 × 119,666.04
  4. Step 4: Simplify right side
    385,867.68x = 69,265,501,145.69
  5. Step 5: Solve for x
    x = 69,265,501,145.69/385,867.68
  6. Step 6: Final answer
    x = 179,505.84

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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.