Home / 135,180.04-186,460.62-86,705.24

Finding the Fourth Proportional to 135,180.04, 186,460.62 and 86,705.24

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Solution

The fourth proportional to 135,180.04, 186,460.62 and 86,705.24 is: 119,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,180.04 : 186,460.62 = 86,705.24 : x
  2. Step 2: Convert to fraction form
    135,180.04/186,460.62 = 86,705.24/x
  3. Step 3: Cross multiply
    135,180.04x = 186,460.62 × 86,705.24
  4. Step 4: Simplify right side
    135,180.04x = 16,167,112,807.65
  5. Step 5: Solve for x
    x = 16,167,112,807.65/135,180.04
  6. Step 6: Final answer
    x = 119,596.89

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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.