Home / 209,088.10-288,542.96-113,594.77

Finding the Fourth Proportional to 209,088.10, 288,542.96 and 113,594.77

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Solution

The fourth proportional to 209,088.10, 288,542.96 and 113,594.77 is: 156,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088.10 : 288,542.96 = 113,594.77 : x
  2. Step 2: Convert to fraction form
    209,088.10/288,542.96 = 113,594.77/x
  3. Step 3: Cross multiply
    209,088.10x = 288,542.96 × 113,594.77
  4. Step 4: Simplify right side
    209,088.10x = 32,776,971,176.32
  5. Step 5: Solve for x
    x = 32,776,971,176.32/209,088.10
  6. Step 6: Final answer
    x = 156,761.53

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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.