Home / 171,050.90-256,403.55-77,623.70

Finding the Fourth Proportional to 171,050.90, 256,403.55 and 77,623.70

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Solution

The fourth proportional to 171,050.90, 256,403.55 and 77,623.70 is: 116,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,050.90 : 256,403.55 = 77,623.70 : x
  2. Step 2: Convert to fraction form
    171,050.90/256,403.55 = 77,623.70/x
  3. Step 3: Cross multiply
    171,050.90x = 256,403.55 × 77,623.70
  4. Step 4: Simplify right side
    171,050.90x = 19,902,992,244.14
  5. Step 5: Solve for x
    x = 19,902,992,244.14/171,050.90
  6. Step 6: Final answer
    x = 116,357.13

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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.