Home / 151,779.22-209,452.04-82,866.32

Finding the Fourth Proportional to 151,779.22, 209,452.04 and 82,866.32

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Solution

The fourth proportional to 151,779.22, 209,452.04 and 82,866.32 is: 114,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,779.22 : 209,452.04 = 82,866.32 : x
  2. Step 2: Convert to fraction form
    151,779.22/209,452.04 = 82,866.32/x
  3. Step 3: Cross multiply
    151,779.22x = 209,452.04 × 82,866.32
  4. Step 4: Simplify right side
    151,779.22x = 17,356,521,050.19
  5. Step 5: Solve for x
    x = 17,356,521,050.19/151,779.22
  6. Step 6: Final answer
    x = 114,353.74

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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.