Home / 152,914.16-211,021.54-85,846.16

Finding the Fourth Proportional to 152,914.16, 211,021.54 and 85,846.16

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Solution

The fourth proportional to 152,914.16, 211,021.54 and 85,846.16 is: 118,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,914.16 : 211,021.54 = 85,846.16 : x
  2. Step 2: Convert to fraction form
    152,914.16/211,021.54 = 85,846.16/x
  3. Step 3: Cross multiply
    152,914.16x = 211,021.54 × 85,846.16
  4. Step 4: Simplify right side
    152,914.16x = 18,115,387,831.18
  5. Step 5: Solve for x
    x = 18,115,387,831.18/152,914.16
  6. Step 6: Final answer
    x = 118,467.70

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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.