Home / 369,965.12-510,553.56-208,826.96

Finding the Fourth Proportional to 369,965.12, 510,553.56 and 208,826.96

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Solution

The fourth proportional to 369,965.12, 510,553.56 and 208,826.96 is: 288,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,965.12 : 510,553.56 = 208,826.96 : x
  2. Step 2: Convert to fraction form
    369,965.12/510,553.56 = 208,826.96/x
  3. Step 3: Cross multiply
    369,965.12x = 510,553.56 × 208,826.96
  4. Step 4: Simplify right side
    369,965.12x = 106,617,347,851.98
  5. Step 5: Solve for x
    x = 106,617,347,851.98/369,965.12
  6. Step 6: Final answer
    x = 288,182.16

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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.