Home / 209,582.10-289,223.32-114,089.50

Finding the Fourth Proportional to 209,582.10, 289,223.32 and 114,089.50

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Solution

The fourth proportional to 209,582.10, 289,223.32 and 114,089.50 is: 157,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,582.10 : 289,223.32 = 114,089.50 : x
  2. Step 2: Convert to fraction form
    209,582.10/289,223.32 = 114,089.50/x
  3. Step 3: Cross multiply
    209,582.10x = 289,223.32 × 114,089.50
  4. Step 4: Simplify right side
    209,582.10x = 32,997,343,967.14
  5. Step 5: Solve for x
    x = 32,997,343,967.14/209,582.10
  6. Step 6: Final answer
    x = 157,443.52

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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.