Home / 209,567.86-289,210.17-114,080.92

Finding the Fourth Proportional to 209,567.86, 289,210.17 and 114,080.92

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Solution

The fourth proportional to 209,567.86, 289,210.17 and 114,080.92 is: 157,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,567.86 : 289,210.17 = 114,080.92 : x
  2. Step 2: Convert to fraction form
    209,567.86/289,210.17 = 114,080.92/x
  3. Step 3: Cross multiply
    209,567.86x = 289,210.17 × 114,080.92
  4. Step 4: Simplify right side
    209,567.86x = 32,993,362,266.96
  5. Step 5: Solve for x
    x = 32,993,362,266.96/209,567.86
  6. Step 6: Final answer
    x = 157,435.22

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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.