Home / 317,419.32-438,037.47-174,181.77

Finding the Fourth Proportional to 317,419.32, 438,037.47 and 174,181.77

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Solution

The fourth proportional to 317,419.32, 438,037.47 and 174,181.77 is: 240,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,419.32 : 438,037.47 = 174,181.77 : x
  2. Step 2: Convert to fraction form
    317,419.32/438,037.47 = 174,181.77/x
  3. Step 3: Cross multiply
    317,419.32x = 438,037.47 × 174,181.77
  4. Step 4: Simplify right side
    317,419.32x = 76,298,141,850.92
  5. Step 5: Solve for x
    x = 76,298,141,850.92/317,419.32
  6. Step 6: Final answer
    x = 240,370.19

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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.