Home / 422,196.32-633,360.09-141,779.18

Finding the Fourth Proportional to 422,196.32, 633,360.09 and 141,779.18

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Solution

The fourth proportional to 422,196.32, 633,360.09 and 141,779.18 is: 212,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,196.32 : 633,360.09 = 141,779.18 : x
  2. Step 2: Convert to fraction form
    422,196.32/633,360.09 = 141,779.18/x
  3. Step 3: Cross multiply
    422,196.32x = 633,360.09 × 141,779.18
  4. Step 4: Simplify right side
    422,196.32x = 89,797,271,038.13
  5. Step 5: Solve for x
    x = 89,797,271,038.13/422,196.32
  6. Step 6: Final answer
    x = 212,690.80

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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.