Home / 209,104.08-288,554.22-118,458.19

Finding the Fourth Proportional to 209,104.08, 288,554.22 and 118,458.19

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Solution

The fourth proportional to 209,104.08, 288,554.22 and 118,458.19 is: 163,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,104.08 : 288,554.22 = 118,458.19 : x
  2. Step 2: Convert to fraction form
    209,104.08/288,554.22 = 118,458.19/x
  3. Step 3: Cross multiply
    209,104.08x = 288,554.22 × 118,458.19
  4. Step 4: Simplify right side
    209,104.08x = 34,181,610,618.06
  5. Step 5: Solve for x
    x = 34,181,610,618.06/209,104.08
  6. Step 6: Final answer
    x = 163,466.97

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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.