Home / 317,938.32-438,765.66-174,703.50

Finding the Fourth Proportional to 317,938.32, 438,765.66 and 174,703.50

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Solution

The fourth proportional to 317,938.32, 438,765.66 and 174,703.50 is: 241,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,938.32 : 438,765.66 = 174,703.50 : x
  2. Step 2: Convert to fraction form
    317,938.32/438,765.66 = 174,703.50/x
  3. Step 3: Cross multiply
    317,938.32x = 438,765.66 × 174,703.50
  4. Step 4: Simplify right side
    317,938.32x = 76,653,896,481.81
  5. Step 5: Solve for x
    x = 76,653,896,481.81/317,938.32
  6. Step 6: Final answer
    x = 241,096.75

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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.