Home / 186,380.90-257,209.74-101,497.98

Finding the Fourth Proportional to 186,380.90, 257,209.74 and 101,497.98

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Solution

The fourth proportional to 186,380.90, 257,209.74 and 101,497.98 is: 140,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,380.90 : 257,209.74 = 101,497.98 : x
  2. Step 2: Convert to fraction form
    186,380.90/257,209.74 = 101,497.98/x
  3. Step 3: Cross multiply
    186,380.90x = 257,209.74 × 101,497.98
  4. Step 4: Simplify right side
    186,380.90x = 26,106,269,046.33
  5. Step 5: Solve for x
    x = 26,106,269,046.33/186,380.90
  6. Step 6: Final answer
    x = 140,069.44

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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.