Home / 170,864.10-256,296.15-123,624.90

Finding the Fourth Proportional to 170,864.10, 256,296.15 and 123,624.90

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Solution

The fourth proportional to 170,864.10, 256,296.15 and 123,624.90 is: 185,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.10 : 256,296.15 = 123,624.90 : x
  2. Step 2: Convert to fraction form
    170,864.10/256,296.15 = 123,624.90/x
  3. Step 3: Cross multiply
    170,864.10x = 256,296.15 × 123,624.90
  4. Step 4: Simplify right side
    170,864.10x = 31,684,585,914.14
  5. Step 5: Solve for x
    x = 31,684,585,914.14/170,864.10
  6. Step 6: Final answer
    x = 185,437.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.