Home / 320,892.62-442,814.96-175,670.55

Finding the Fourth Proportional to 320,892.62, 442,814.96 and 175,670.55

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Solution

The fourth proportional to 320,892.62, 442,814.96 and 175,670.55 is: 242,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,892.62 : 442,814.96 = 175,670.55 : x
  2. Step 2: Convert to fraction form
    320,892.62/442,814.96 = 175,670.55/x
  3. Step 3: Cross multiply
    320,892.62x = 442,814.96 × 175,670.55
  4. Step 4: Simplify right side
    320,892.62x = 77,789,547,022.46
  5. Step 5: Solve for x
    x = 77,789,547,022.46/320,892.62
  6. Step 6: Final answer
    x = 242,416.13

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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.