Home / 384,224.22-530,247.15-212,166.45

Finding the Fourth Proportional to 384,224.22, 530,247.15 and 212,166.45

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Solution

The fourth proportional to 384,224.22, 530,247.15 and 212,166.45 is: 292,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,224.22 : 530,247.15 = 212,166.45 : x
  2. Step 2: Convert to fraction form
    384,224.22/530,247.15 = 212,166.45/x
  3. Step 3: Cross multiply
    384,224.22x = 530,247.15 × 212,166.45
  4. Step 4: Simplify right side
    384,224.22x = 112,500,655,438.12
  5. Step 5: Solve for x
    x = 112,500,655,438.12/384,224.22
  6. Step 6: Final answer
    x = 292,799.49

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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.