Home / 205,185.92-283,284.64-157,347.20

Finding the Fourth Proportional to 205,185.92, 283,284.64 and 157,347.20

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Solution

The fourth proportional to 205,185.92, 283,284.64 and 157,347.20 is: 217,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,185.92 : 283,284.64 = 157,347.20 : x
  2. Step 2: Convert to fraction form
    205,185.92/283,284.64 = 157,347.20/x
  3. Step 3: Cross multiply
    205,185.92x = 283,284.64 × 157,347.20
  4. Step 4: Simplify right side
    205,185.92x = 44,574,044,907.01
  5. Step 5: Solve for x
    x = 44,574,044,907.01/205,185.92
  6. Step 6: Final answer
    x = 217,237.35

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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.