Home / 114,531.63-158,119.88-76,281.27

Finding the Fourth Proportional to 114,531.63, 158,119.88 and 76,281.27

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Solution

The fourth proportional to 114,531.63, 158,119.88 and 76,281.27 is: 105,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.63 : 158,119.88 = 76,281.27 : x
  2. Step 2: Convert to fraction form
    114,531.63/158,119.88 = 76,281.27/x
  3. Step 3: Cross multiply
    114,531.63x = 158,119.88 × 76,281.27
  4. Step 4: Simplify right side
    114,531.63x = 12,061,584,877.24
  5. Step 5: Solve for x
    x = 12,061,584,877.24/114,531.63
  6. Step 6: Final answer
    x = 105,312.26

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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.