Home / 114,302.86-157,756.02-68,987.32

Finding the Fourth Proportional to 114,302.86, 157,756.02 and 68,987.32

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Solution

The fourth proportional to 114,302.86, 157,756.02 and 68,987.32 is: 95,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,302.86 : 157,756.02 = 68,987.32 : x
  2. Step 2: Convert to fraction form
    114,302.86/157,756.02 = 68,987.32/x
  3. Step 3: Cross multiply
    114,302.86x = 157,756.02 × 68,987.32
  4. Step 4: Simplify right side
    114,302.86x = 10,883,165,033.67
  5. Step 5: Solve for x
    x = 10,883,165,033.67/114,302.86
  6. Step 6: Final answer
    x = 95,213.41

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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.