Home / 194,600.48-291,903.60-128,464.16

Finding the Fourth Proportional to 194,600.48, 291,903.60 and 128,464.16

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Solution

The fourth proportional to 194,600.48, 291,903.60 and 128,464.16 is: 192,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,600.48 : 291,903.60 = 128,464.16 : x
  2. Step 2: Convert to fraction form
    194,600.48/291,903.60 = 128,464.16/x
  3. Step 3: Cross multiply
    194,600.48x = 291,903.60 × 128,464.16
  4. Step 4: Simplify right side
    194,600.48x = 37,499,150,774.98
  5. Step 5: Solve for x
    x = 37,499,150,774.98/194,600.48
  6. Step 6: Final answer
    x = 192,698.14

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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.