Home / 209,284.19-288,810.14-113,790.88

Finding the Fourth Proportional to 209,284.19, 288,810.14 and 113,790.88

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Solution

The fourth proportional to 209,284.19, 288,810.14 and 113,790.88 is: 157,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,284.19 : 288,810.14 = 113,790.88 : x
  2. Step 2: Convert to fraction form
    209,284.19/288,810.14 = 113,790.88/x
  3. Step 3: Cross multiply
    209,284.19x = 288,810.14 × 113,790.88
  4. Step 4: Simplify right side
    209,284.19x = 32,863,960,735.69
  5. Step 5: Solve for x
    x = 32,863,960,735.69/209,284.19
  6. Step 6: Final answer
    x = 157,030.31

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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.