Home / 137,590.29-189,794.01-86,522.22

Finding the Fourth Proportional to 137,590.29, 189,794.01 and 86,522.22

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Solution

The fourth proportional to 137,590.29, 189,794.01 and 86,522.22 is: 119,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,590.29 : 189,794.01 = 86,522.22 : x
  2. Step 2: Convert to fraction form
    137,590.29/189,794.01 = 86,522.22/x
  3. Step 3: Cross multiply
    137,590.29x = 189,794.01 × 86,522.22
  4. Step 4: Simplify right side
    137,590.29x = 16,421,399,087.90
  5. Step 5: Solve for x
    x = 16,421,399,087.90/137,590.29
  6. Step 6: Final answer
    x = 119,349.99

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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.