Home / 154,033.98-212,559.28-86,037.42

Finding the Fourth Proportional to 154,033.98, 212,559.28 and 86,037.42

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Solution

The fourth proportional to 154,033.98, 212,559.28 and 86,037.42 is: 118,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.98 : 212,559.28 = 86,037.42 : x
  2. Step 2: Convert to fraction form
    154,033.98/212,559.28 = 86,037.42/x
  3. Step 3: Cross multiply
    154,033.98x = 212,559.28 × 86,037.42
  4. Step 4: Simplify right side
    154,033.98x = 18,288,052,048.26
  5. Step 5: Solve for x
    x = 18,288,052,048.26/154,033.98
  6. Step 6: Final answer
    x = 118,727.39

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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.