Home / 351,475.61-485,036.58-190,330.83

Finding the Fourth Proportional to 351,475.61, 485,036.58 and 190,330.83

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Solution

The fourth proportional to 351,475.61, 485,036.58 and 190,330.83 is: 262,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.61 : 485,036.58 = 190,330.83 : x
  2. Step 2: Convert to fraction form
    351,475.61/485,036.58 = 190,330.83/x
  3. Step 3: Cross multiply
    351,475.61x = 485,036.58 × 190,330.83
  4. Step 4: Simplify right side
    351,475.61x = 92,317,414,851.76
  5. Step 5: Solve for x
    x = 92,317,414,851.76/351,475.61
  6. Step 6: Final answer
    x = 262,656.68

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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.