Home / 209,580.95-289,223.06-114,087.62

Finding the Fourth Proportional to 209,580.95, 289,223.06 and 114,087.62

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Solution

The fourth proportional to 209,580.95, 289,223.06 and 114,087.62 is: 157,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,580.95 : 289,223.06 = 114,087.62 : x
  2. Step 2: Convert to fraction form
    209,580.95/289,223.06 = 114,087.62/x
  3. Step 3: Cross multiply
    209,580.95x = 289,223.06 × 114,087.62
  4. Step 4: Simplify right side
    209,580.95x = 32,996,768,547.96
  5. Step 5: Solve for x
    x = 32,996,768,547.96/209,580.95
  6. Step 6: Final answer
    x = 157,441.64

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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.