Home / 190,606.08-286,064.64-79,875.84

Finding the Fourth Proportional to 190,606.08, 286,064.64 and 79,875.84

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Solution

The fourth proportional to 190,606.08, 286,064.64 and 79,875.84 is: 119,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,606.08 : 286,064.64 = 79,875.84 : x
  2. Step 2: Convert to fraction form
    190,606.08/286,064.64 = 79,875.84/x
  3. Step 3: Cross multiply
    190,606.08x = 286,064.64 × 79,875.84
  4. Step 4: Simplify right side
    190,606.08x = 22,849,653,414.30
  5. Step 5: Solve for x
    x = 22,849,653,414.30/190,606.08
  6. Step 6: Final answer
    x = 119,878.93

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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.