Home / 386,239.80-533,017.33-214,165.02

Finding the Fourth Proportional to 386,239.80, 533,017.33 and 214,165.02

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Solution

The fourth proportional to 386,239.80, 533,017.33 and 214,165.02 is: 295,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,239.80 : 533,017.33 = 214,165.02 : x
  2. Step 2: Convert to fraction form
    386,239.80/533,017.33 = 214,165.02/x
  3. Step 3: Cross multiply
    386,239.80x = 533,017.33 × 214,165.02
  4. Step 4: Simplify right side
    386,239.80x = 114,153,666,604.38
  5. Step 5: Solve for x
    x = 114,153,666,604.38/386,239.80
  6. Step 6: Final answer
    x = 295,551.28

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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.