Home / 114,820.40-158,529.47-102,683.22

Finding the Fourth Proportional to 114,820.40, 158,529.47 and 102,683.22

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Solution

The fourth proportional to 114,820.40, 158,529.47 and 102,683.22 is: 141,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,820.40 : 158,529.47 = 102,683.22 : x
  2. Step 2: Convert to fraction form
    114,820.40/158,529.47 = 102,683.22/x
  3. Step 3: Cross multiply
    114,820.40x = 158,529.47 × 102,683.22
  4. Step 4: Simplify right side
    114,820.40x = 16,278,315,931.08
  5. Step 5: Solve for x
    x = 16,278,315,931.08/114,820.40
  6. Step 6: Final answer
    x = 141,771.99

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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.