Home / 192,153.72-287,885.52-117,235.20

Finding the Fourth Proportional to 192,153.72, 287,885.52 and 117,235.20

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Solution

The fourth proportional to 192,153.72, 287,885.52 and 117,235.20 is: 175,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,153.72 : 287,885.52 = 117,235.20 : x
  2. Step 2: Convert to fraction form
    192,153.72/287,885.52 = 117,235.20/x
  3. Step 3: Cross multiply
    192,153.72x = 287,885.52 × 117,235.20
  4. Step 4: Simplify right side
    192,153.72x = 33,750,316,514.30
  5. Step 5: Solve for x
    x = 33,750,316,514.30/192,153.72
  6. Step 6: Final answer
    x = 175,642.27

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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.