Home / 114,211.35-157,585.10-66,437.55

Finding the Fourth Proportional to 114,211.35, 157,585.10 and 66,437.55

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Solution

The fourth proportional to 114,211.35, 157,585.10 and 66,437.55 is: 91,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,211.35 : 157,585.10 = 66,437.55 : x
  2. Step 2: Convert to fraction form
    114,211.35/157,585.10 = 66,437.55/x
  3. Step 3: Cross multiply
    114,211.35x = 157,585.10 × 66,437.55
  4. Step 4: Simplify right side
    114,211.35x = 10,469,567,628.32
  5. Step 5: Solve for x
    x = 10,469,567,628.32/114,211.35
  6. Step 6: Final answer
    x = 91,668.36

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1.5x scale

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.