Home / 209,273.84-288,798.60-113,780.24

Finding the Fourth Proportional to 209,273.84, 288,798.60 and 113,780.24

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Solution

The fourth proportional to 209,273.84, 288,798.60 and 113,780.24 is: 157,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,273.84 : 288,798.60 = 113,780.24 : x
  2. Step 2: Convert to fraction form
    209,273.84/288,798.60 = 113,780.24/x
  3. Step 3: Cross multiply
    209,273.84x = 288,798.60 × 113,780.24
  4. Step 4: Simplify right side
    209,273.84x = 32,859,574,019.66
  5. Step 5: Solve for x
    x = 32,859,574,019.66/209,273.84
  6. Step 6: Final answer
    x = 157,017.11

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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.