Home / 194,160.42-291,510.36-128,025.54

Finding the Fourth Proportional to 194,160.42, 291,510.36 and 128,025.54

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Solution

The fourth proportional to 194,160.42, 291,510.36 and 128,025.54 is: 192,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,160.42 : 291,510.36 = 128,025.54 : x
  2. Step 2: Convert to fraction form
    194,160.42/291,510.36 = 128,025.54/x
  3. Step 3: Cross multiply
    194,160.42x = 291,510.36 × 128,025.54
  4. Step 4: Simplify right side
    194,160.42x = 37,320,771,254.59
  5. Step 5: Solve for x
    x = 37,320,771,254.59/194,160.42
  6. Step 6: Final answer
    x = 192,216.16

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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.