Home / 209,088.36-288,543.32-113,595.03

Finding the Fourth Proportional to 209,088.36, 288,543.32 and 113,595.03

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Solution

The fourth proportional to 209,088.36, 288,543.32 and 113,595.03 is: 156,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088.36 : 288,543.32 = 113,595.03 : x
  2. Step 2: Convert to fraction form
    209,088.36/288,543.32 = 113,595.03/x
  3. Step 3: Cross multiply
    209,088.36x = 288,543.32 × 113,595.03
  4. Step 4: Simplify right side
    209,088.36x = 32,777,086,523.72
  5. Step 5: Solve for x
    x = 32,777,086,523.72/209,088.36
  6. Step 6: Final answer
    x = 156,761.89

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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.