Home / 296,217.36-408,779.28-162,081.36

Finding the Fourth Proportional to 296,217.36, 408,779.28 and 162,081.36

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Solution

The fourth proportional to 296,217.36, 408,779.28 and 162,081.36 is: 223,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,217.36 : 408,779.28 = 162,081.36 : x
  2. Step 2: Convert to fraction form
    296,217.36/408,779.28 = 162,081.36/x
  3. Step 3: Cross multiply
    296,217.36x = 408,779.28 × 162,081.36
  4. Step 4: Simplify right side
    296,217.36x = 66,255,501,642.22
  5. Step 5: Solve for x
    x = 66,255,501,642.22/296,217.36
  6. Step 6: Final answer
    x = 223,671.91

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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.