Home / 189,673.90-284,670.47-94,875.65

Finding the Fourth Proportional to 189,673.90, 284,670.47 and 94,875.65

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Solution

The fourth proportional to 189,673.90, 284,670.47 and 94,875.65 is: 142,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,673.90 : 284,670.47 = 94,875.65 : x
  2. Step 2: Convert to fraction form
    189,673.90/284,670.47 = 94,875.65/x
  3. Step 3: Cross multiply
    189,673.90x = 284,670.47 × 94,875.65
  4. Step 4: Simplify right side
    189,673.90x = 27,008,293,979.32
  5. Step 5: Solve for x
    x = 27,008,293,979.32/189,673.90
  6. Step 6: Final answer
    x = 142,393.31

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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.