Home / 114,500.96-158,011.46-66,763.53

Finding the Fourth Proportional to 114,500.96, 158,011.46 and 66,763.53

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Solution

The fourth proportional to 114,500.96, 158,011.46 and 66,763.53 is: 92,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,500.96 : 158,011.46 = 66,763.53 : x
  2. Step 2: Convert to fraction form
    114,500.96/158,011.46 = 66,763.53/x
  3. Step 3: Cross multiply
    114,500.96x = 158,011.46 × 66,763.53
  4. Step 4: Simplify right side
    114,500.96x = 10,549,403,211.01
  5. Step 5: Solve for x
    x = 10,549,403,211.01/114,500.96
  6. Step 6: Final answer
    x = 92,133.75

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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.