Home / 209,279.17-288,817.06-113,783.81

Finding the Fourth Proportional to 209,279.17, 288,817.06 and 113,783.81

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Solution

The fourth proportional to 209,279.17, 288,817.06 and 113,783.81 is: 157,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,279.17 : 288,817.06 = 113,783.81 : x
  2. Step 2: Convert to fraction form
    209,279.17/288,817.06 = 113,783.81/x
  3. Step 3: Cross multiply
    209,279.17x = 288,817.06 × 113,783.81
  4. Step 4: Simplify right side
    209,279.17x = 32,862,705,479.80
  5. Step 5: Solve for x
    x = 32,862,705,479.80/209,279.17
  6. Step 6: Final answer
    x = 157,028.08

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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.