Home / 114,071.04-170,853.12-87,580.80

Finding the Fourth Proportional to 114,071.04, 170,853.12 and 87,580.80

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Solution

The fourth proportional to 114,071.04, 170,853.12 and 87,580.80 is: 131,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,071.04 : 170,853.12 = 87,580.80 : x
  2. Step 2: Convert to fraction form
    114,071.04/170,853.12 = 87,580.80/x
  3. Step 3: Cross multiply
    114,071.04x = 170,853.12 × 87,580.80
  4. Step 4: Simplify right side
    114,071.04x = 14,963,452,932.10
  5. Step 5: Solve for x
    x = 14,963,452,932.10/114,071.04
  6. Step 6: Final answer
    x = 131,176.62

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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.