Home / 258,897.11-357,205.83-166,977.50

Finding the Fourth Proportional to 258,897.11, 357,205.83 and 166,977.50

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Solution

The fourth proportional to 258,897.11, 357,205.83 and 166,977.50 is: 230,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,897.11 : 357,205.83 = 166,977.50 : x
  2. Step 2: Convert to fraction form
    258,897.11/357,205.83 = 166,977.50/x
  3. Step 3: Cross multiply
    258,897.11x = 357,205.83 × 166,977.50
  4. Step 4: Simplify right side
    258,897.11x = 59,645,338,019.80
  5. Step 5: Solve for x
    x = 59,645,338,019.80/258,897.11
  6. Step 6: Final answer
    x = 230,382.40

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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.