Home / 190,174.64-262,438.79-104,132.79

Finding the Fourth Proportional to 190,174.64, 262,438.79 and 104,132.79

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Solution

The fourth proportional to 190,174.64, 262,438.79 and 104,132.79 is: 143,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,174.64 : 262,438.79 = 104,132.79 : x
  2. Step 2: Convert to fraction form
    190,174.64/262,438.79 = 104,132.79/x
  3. Step 3: Cross multiply
    190,174.64x = 262,438.79 × 104,132.79
  4. Step 4: Simplify right side
    190,174.64x = 27,328,482,886.26
  5. Step 5: Solve for x
    x = 27,328,482,886.26/190,174.64
  6. Step 6: Final answer
    x = 143,702.04

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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.