Home / 114,818.34-158,446.62-66,416.70

Finding the Fourth Proportional to 114,818.34, 158,446.62 and 66,416.70

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Solution

The fourth proportional to 114,818.34, 158,446.62 and 66,416.70 is: 91,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,818.34 : 158,446.62 = 66,416.70 : x
  2. Step 2: Convert to fraction form
    114,818.34/158,446.62 = 66,416.70/x
  3. Step 3: Cross multiply
    114,818.34x = 158,446.62 × 66,416.70
  4. Step 4: Simplify right side
    114,818.34x = 10,523,501,626.55
  5. Step 5: Solve for x
    x = 10,523,501,626.55/114,818.34
  6. Step 6: Final answer
    x = 91,653.49

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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.