Home / 254,478.14-381,716.97-64,938.51

Finding the Fourth Proportional to 254,478.14, 381,716.97 and 64,938.51

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Solution

The fourth proportional to 254,478.14, 381,716.97 and 64,938.51 is: 97,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,478.14 : 381,716.97 = 64,938.51 : x
  2. Step 2: Convert to fraction form
    254,478.14/381,716.97 = 64,938.51/x
  3. Step 3: Cross multiply
    254,478.14x = 381,716.97 × 64,938.51
  4. Step 4: Simplify right side
    254,478.14x = 24,788,130,641.65
  5. Step 5: Solve for x
    x = 24,788,130,641.65/254,478.14
  6. Step 6: Final answer
    x = 97,407.70

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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.