Home / 318,081.42-438,953.34-174,856.14

Finding the Fourth Proportional to 318,081.42, 438,953.34 and 174,856.14

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Solution

The fourth proportional to 318,081.42, 438,953.34 and 174,856.14 is: 241,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,081.42 : 438,953.34 = 174,856.14 : x
  2. Step 2: Convert to fraction form
    318,081.42/438,953.34 = 174,856.14/x
  3. Step 3: Cross multiply
    318,081.42x = 438,953.34 × 174,856.14
  4. Step 4: Simplify right side
    318,081.42x = 76,753,686,672.51
  5. Step 5: Solve for x
    x = 76,753,686,672.51/318,081.42
  6. Step 6: Final answer
    x = 241,302.01

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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.