Home / 154,550.88-213,277.32-86,567.04

Finding the Fourth Proportional to 154,550.88, 213,277.32 and 86,567.04

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Solution

The fourth proportional to 154,550.88, 213,277.32 and 86,567.04 is: 119,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.88 : 213,277.32 = 86,567.04 : x
  2. Step 2: Convert to fraction form
    154,550.88/213,277.32 = 86,567.04/x
  3. Step 3: Cross multiply
    154,550.88x = 213,277.32 × 86,567.04
  4. Step 4: Simplify right side
    154,550.88x = 18,462,786,291.53
  5. Step 5: Solve for x
    x = 18,462,786,291.53/154,550.88
  6. Step 6: Final answer
    x = 119,460.89

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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.