Home / 209,093.80-288,547.92-113,601.28

Finding the Fourth Proportional to 209,093.80, 288,547.92 and 113,601.28

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Solution

The fourth proportional to 209,093.80, 288,547.92 and 113,601.28 is: 156,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,093.80 : 288,547.92 = 113,601.28 : x
  2. Step 2: Convert to fraction form
    209,093.80/288,547.92 = 113,601.28/x
  3. Step 3: Cross multiply
    209,093.80x = 288,547.92 × 113,601.28
  4. Step 4: Simplify right side
    209,093.80x = 32,779,413,053.34
  5. Step 5: Solve for x
    x = 32,779,413,053.34/209,093.80
  6. Step 6: Final answer
    x = 156,768.94

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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.