Home / 157,674.15-217,590.93-86,055.75

Finding the Fourth Proportional to 157,674.15, 217,590.93 and 86,055.75

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Solution

The fourth proportional to 157,674.15, 217,590.93 and 86,055.75 is: 118,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,674.15 : 217,590.93 = 86,055.75 : x
  2. Step 2: Convert to fraction form
    157,674.15/217,590.93 = 86,055.75/x
  3. Step 3: Cross multiply
    157,674.15x = 217,590.93 × 86,055.75
  4. Step 4: Simplify right side
    157,674.15x = 18,724,950,674.35
  5. Step 5: Solve for x
    x = 18,724,950,674.35/157,674.15
  6. Step 6: Final answer
    x = 118,757.26

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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.