Home / 194,184.68-291,141.64-86,055.16

Finding the Fourth Proportional to 194,184.68, 291,141.64 and 86,055.16

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Solution

The fourth proportional to 194,184.68, 291,141.64 and 86,055.16 is: 129,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,184.68 : 291,141.64 = 86,055.16 : x
  2. Step 2: Convert to fraction form
    194,184.68/291,141.64 = 86,055.16/x
  3. Step 3: Cross multiply
    194,184.68x = 291,141.64 × 86,055.16
  4. Step 4: Simplify right side
    194,184.68x = 25,054,240,412.86
  5. Step 5: Solve for x
    x = 25,054,240,412.86/194,184.68
  6. Step 6: Final answer
    x = 129,022.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.