Home / 385,187.93-531,575.00-213,102.92

Finding the Fourth Proportional to 385,187.93, 531,575.00 and 213,102.92

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Solution

The fourth proportional to 385,187.93, 531,575.00 and 213,102.92 is: 294,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,187.93 : 531,575.00 = 213,102.92 : x
  2. Step 2: Convert to fraction form
    385,187.93/531,575.00 = 213,102.92/x
  3. Step 3: Cross multiply
    385,187.93x = 531,575.00 × 213,102.92
  4. Step 4: Simplify right side
    385,187.93x = 113,280,180,975.61
  5. Step 5: Solve for x
    x = 113,280,180,975.61/385,187.93
  6. Step 6: Final answer
    x = 294,090.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.