Home / 451,039.12-676,598.66-118,615.12

Finding the Fourth Proportional to 451,039.12, 676,598.66 and 118,615.12

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Solution

The fourth proportional to 451,039.12, 676,598.66 and 118,615.12 is: 177,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,039.12 : 676,598.66 = 118,615.12 : x
  2. Step 2: Convert to fraction form
    451,039.12/676,598.66 = 118,615.12/x
  3. Step 3: Cross multiply
    451,039.12x = 676,598.66 × 118,615.12
  4. Step 4: Simplify right side
    451,039.12x = 80,254,831,247.74
  5. Step 5: Solve for x
    x = 80,254,831,247.74/451,039.12
  6. Step 6: Final answer
    x = 177,933.19

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1.5x scale

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.