Home / 114,510.43-158,016.40-66,114.28

Finding the Fourth Proportional to 114,510.43, 158,016.40 and 66,114.28

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Solution

The fourth proportional to 114,510.43, 158,016.40 and 66,114.28 is: 91,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,510.43 : 158,016.40 = 66,114.28 : x
  2. Step 2: Convert to fraction form
    114,510.43/158,016.40 = 66,114.28/x
  3. Step 3: Cross multiply
    114,510.43x = 158,016.40 × 66,114.28
  4. Step 4: Simplify right side
    114,510.43x = 10,447,140,514.19
  5. Step 5: Solve for x
    x = 10,447,140,514.19/114,510.43
  6. Step 6: Final answer
    x = 91,233.09

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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.