Home / 307,746.60-461,619.90-174,575.40

Finding the Fourth Proportional to 307,746.60, 461,619.90 and 174,575.40

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Solution

The fourth proportional to 307,746.60, 461,619.90 and 174,575.40 is: 261,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,746.60 : 461,619.90 = 174,575.40 : x
  2. Step 2: Convert to fraction form
    307,746.60/461,619.90 = 174,575.40/x
  3. Step 3: Cross multiply
    307,746.60x = 461,619.90 × 174,575.40
  4. Step 4: Simplify right side
    307,746.60x = 80,587,478,690.46
  5. Step 5: Solve for x
    x = 80,587,478,690.46/307,746.60
  6. Step 6: Final answer
    x = 261,863.10

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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.