Home / 209,177.95-288,667.80-113,684.65

Finding the Fourth Proportional to 209,177.95, 288,667.80 and 113,684.65

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Solution

The fourth proportional to 209,177.95, 288,667.80 and 113,684.65 is: 156,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177.95 : 288,667.80 = 113,684.65 : x
  2. Step 2: Convert to fraction form
    209,177.95/288,667.80 = 113,684.65/x
  3. Step 3: Cross multiply
    209,177.95x = 288,667.80 × 113,684.65
  4. Step 4: Simplify right side
    209,177.95x = 32,817,097,809.27
  5. Step 5: Solve for x
    x = 32,817,097,809.27/209,177.95
  6. Step 6: Final answer
    x = 156,886.03

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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.