Home / 225,590.07-311,197.86-152,968.40

Finding the Fourth Proportional to 225,590.07, 311,197.86 and 152,968.40

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Solution

The fourth proportional to 225,590.07, 311,197.86 and 152,968.40 is: 211,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,590.07 : 311,197.86 = 152,968.40 : x
  2. Step 2: Convert to fraction form
    225,590.07/311,197.86 = 152,968.40/x
  3. Step 3: Cross multiply
    225,590.07x = 311,197.86 × 152,968.40
  4. Step 4: Simplify right side
    225,590.07x = 47,603,437,171.63
  5. Step 5: Solve for x
    x = 47,603,437,171.63/225,590.07
  6. Step 6: Final answer
    x = 211,017.43

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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.