Home / 373,337.08-515,192.34-212,189.32

Finding the Fourth Proportional to 373,337.08, 515,192.34 and 212,189.32

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Solution

The fourth proportional to 373,337.08, 515,192.34 and 212,189.32 is: 292,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,337.08 : 515,192.34 = 212,189.32 : x
  2. Step 2: Convert to fraction form
    373,337.08/515,192.34 = 212,189.32/x
  3. Step 3: Cross multiply
    373,337.08x = 515,192.34 × 212,189.32
  4. Step 4: Simplify right side
    373,337.08x = 109,318,312,293.81
  5. Step 5: Solve for x
    x = 109,318,312,293.81/373,337.08
  6. Step 6: Final answer
    x = 292,813.97

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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.