Home / 114,544.50-158,140.53-74,869.62

Finding the Fourth Proportional to 114,544.50, 158,140.53 and 74,869.62

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Solution

The fourth proportional to 114,544.50, 158,140.53 and 74,869.62 is: 103,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,544.50 : 158,140.53 = 74,869.62 : x
  2. Step 2: Convert to fraction form
    114,544.50/158,140.53 = 74,869.62/x
  3. Step 3: Cross multiply
    114,544.50x = 158,140.53 × 74,869.62
  4. Step 4: Simplify right side
    114,544.50x = 11,839,921,387.70
  5. Step 5: Solve for x
    x = 11,839,921,387.70/114,544.50
  6. Step 6: Final answer
    x = 103,365.25

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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.