Home / 189,533.23-284,298.45-77,187.04

Finding the Fourth Proportional to 189,533.23, 284,298.45 and 77,187.04

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Solution

The fourth proportional to 189,533.23, 284,298.45 and 77,187.04 is: 115,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,533.23 : 284,298.45 = 77,187.04 : x
  2. Step 2: Convert to fraction form
    189,533.23/284,298.45 = 77,187.04/x
  3. Step 3: Cross multiply
    189,533.23x = 284,298.45 × 77,187.04
  4. Step 4: Simplify right side
    189,533.23x = 21,944,155,832.09
  5. Step 5: Solve for x
    x = 21,944,155,832.09/189,533.23
  6. Step 6: Final answer
    x = 115,779.99

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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.