Home / 317,864.96-438,678.23-181,941.55

Finding the Fourth Proportional to 317,864.96, 438,678.23 and 181,941.55

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Solution

The fourth proportional to 317,864.96, 438,678.23 and 181,941.55 is: 251,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,864.96 : 438,678.23 = 181,941.55 : x
  2. Step 2: Convert to fraction form
    317,864.96/438,678.23 = 181,941.55/x
  3. Step 3: Cross multiply
    317,864.96x = 438,678.23 × 181,941.55
  4. Step 4: Simplify right side
    317,864.96x = 79,813,797,117.46
  5. Step 5: Solve for x
    x = 79,813,797,117.46/317,864.96
  6. Step 6: Final answer
    x = 251,093.41

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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.