Home / 158,039.64-218,090.46-93,512.22

Finding the Fourth Proportional to 158,039.64, 218,090.46 and 93,512.22

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Solution

The fourth proportional to 158,039.64, 218,090.46 and 93,512.22 is: 129,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,039.64 : 218,090.46 = 93,512.22 : x
  2. Step 2: Convert to fraction form
    158,039.64/218,090.46 = 93,512.22/x
  3. Step 3: Cross multiply
    158,039.64x = 218,090.46 × 93,512.22
  4. Step 4: Simplify right side
    158,039.64x = 20,394,123,075.42
  5. Step 5: Solve for x
    x = 20,394,123,075.42/158,039.64
  6. Step 6: Final answer
    x = 129,044.35

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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.