Home / 151,779.59-209,450.41-83,795.18

Finding the Fourth Proportional to 151,779.59, 209,450.41 and 83,795.18

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Solution

The fourth proportional to 151,779.59, 209,450.41 and 83,795.18 is: 115,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,779.59 : 209,450.41 = 83,795.18 : x
  2. Step 2: Convert to fraction form
    151,779.59/209,450.41 = 83,795.18/x
  3. Step 3: Cross multiply
    151,779.59x = 209,450.41 × 83,795.18
  4. Step 4: Simplify right side
    151,779.59x = 17,550,933,550.28
  5. Step 5: Solve for x
    x = 17,550,933,550.28/151,779.59
  6. Step 6: Final answer
    x = 115,634.35

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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.