Home / 215,899.17-297,883.17-207,386.28

Finding the Fourth Proportional to 215,899.17, 297,883.17 and 207,386.28

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Solution

The fourth proportional to 215,899.17, 297,883.17 and 207,386.28 is: 286,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,899.17 : 297,883.17 = 207,386.28 : x
  2. Step 2: Convert to fraction form
    215,899.17/297,883.17 = 207,386.28/x
  3. Step 3: Cross multiply
    215,899.17x = 297,883.17 × 207,386.28
  4. Step 4: Simplify right side
    215,899.17x = 61,776,882,500.91
  5. Step 5: Solve for x
    x = 61,776,882,500.91/215,899.17
  6. Step 6: Final answer
    x = 286,137.66

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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.