Home / 154,033.25-212,558.24-86,036.67

Finding the Fourth Proportional to 154,033.25, 212,558.24 and 86,036.67

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Solution

The fourth proportional to 154,033.25, 212,558.24 and 86,036.67 is: 118,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.25 : 212,558.24 = 86,036.67 : x
  2. Step 2: Convert to fraction form
    154,033.25/212,558.24 = 86,036.67/x
  3. Step 3: Cross multiply
    154,033.25x = 212,558.24 × 86,036.67
  4. Step 4: Simplify right side
    154,033.25x = 18,287,802,720.48
  5. Step 5: Solve for x
    x = 18,287,802,720.48/154,033.25
  6. Step 6: Final answer
    x = 118,726.34

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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.