Home / 209,562.16-289,195.48-114,068.56

Finding the Fourth Proportional to 209,562.16, 289,195.48 and 114,068.56

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Solution

The fourth proportional to 209,562.16, 289,195.48 and 114,068.56 is: 157,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,562.16 : 289,195.48 = 114,068.56 : x
  2. Step 2: Convert to fraction form
    209,562.16/289,195.48 = 114,068.56/x
  3. Step 3: Cross multiply
    209,562.16x = 289,195.48 × 114,068.56
  4. Step 4: Simplify right side
    209,562.16x = 32,988,111,962.11
  5. Step 5: Solve for x
    x = 32,988,111,962.11/209,562.16
  6. Step 6: Final answer
    x = 157,414.45

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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.