Home / 386,240.06-533,017.70-214,165.28

Finding the Fourth Proportional to 386,240.06, 533,017.70 and 214,165.28

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Solution

The fourth proportional to 386,240.06, 533,017.70 and 214,165.28 is: 295,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,240.06 : 533,017.70 = 214,165.28 : x
  2. Step 2: Convert to fraction form
    386,240.06/533,017.70 = 214,165.28/x
  3. Step 3: Cross multiply
    386,240.06x = 533,017.70 × 214,165.28
  4. Step 4: Simplify right side
    386,240.06x = 114,153,884,965.46
  5. Step 5: Solve for x
    x = 114,153,884,965.46/386,240.06
  6. Step 6: Final answer
    x = 295,551.64

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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.