Home / 317,869.44-438,667.56-174,638.76

Finding the Fourth Proportional to 317,869.44, 438,667.56 and 174,638.76

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Solution

The fourth proportional to 317,869.44, 438,667.56 and 174,638.76 is: 241,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,869.44 : 438,667.56 = 174,638.76 : x
  2. Step 2: Convert to fraction form
    317,869.44/438,667.56 = 174,638.76/x
  3. Step 3: Cross multiply
    317,869.44x = 438,667.56 × 174,638.76
  4. Step 4: Simplify right side
    317,869.44x = 76,608,358,730.63
  5. Step 5: Solve for x
    x = 76,608,358,730.63/317,869.44
  6. Step 6: Final answer
    x = 241,005.74

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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.