Home / 395,931.33-546,385.38-214,643.22

Finding the Fourth Proportional to 395,931.33, 546,385.38 and 214,643.22

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Solution

The fourth proportional to 395,931.33, 546,385.38 and 214,643.22 is: 296,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,931.33 : 546,385.38 = 214,643.22 : x
  2. Step 2: Convert to fraction form
    395,931.33/546,385.38 = 214,643.22/x
  3. Step 3: Cross multiply
    395,931.33x = 546,385.38 × 214,643.22
  4. Step 4: Simplify right side
    395,931.33x = 117,277,917,324.12
  5. Step 5: Solve for x
    x = 117,277,917,324.12/395,931.33
  6. Step 6: Final answer
    x = 296,207.72

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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.