Home / 192,392.90-265,330.29-120,779.58

Finding the Fourth Proportional to 192,392.90, 265,330.29 and 120,779.58

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Solution

The fourth proportional to 192,392.90, 265,330.29 and 120,779.58 is: 166,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,392.90 : 265,330.29 = 120,779.58 : x
  2. Step 2: Convert to fraction form
    192,392.90/265,330.29 = 120,779.58/x
  3. Step 3: Cross multiply
    192,392.90x = 265,330.29 × 120,779.58
  4. Step 4: Simplify right side
    192,392.90x = 32,046,480,987.48
  5. Step 5: Solve for x
    x = 32,046,480,987.48/192,392.90
  6. Step 6: Final answer
    x = 166,567.90

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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.