Home / 343,628.16-474,223.14-214,643.04

Finding the Fourth Proportional to 343,628.16, 474,223.14 and 214,643.04

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Solution

The fourth proportional to 343,628.16, 474,223.14 and 214,643.04 is: 296,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,628.16 : 474,223.14 = 214,643.04 : x
  2. Step 2: Convert to fraction form
    343,628.16/474,223.14 = 214,643.04/x
  3. Step 3: Cross multiply
    343,628.16x = 474,223.14 × 214,643.04
  4. Step 4: Simplify right side
    343,628.16x = 101,788,696,407.95
  5. Step 5: Solve for x
    x = 101,788,696,407.95/343,628.16
  6. Step 6: Final answer
    x = 296,217.56

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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.