Home / 209,603.04-289,243.08-114,110.04

Finding the Fourth Proportional to 209,603.04, 289,243.08 and 114,110.04

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Solution

The fourth proportional to 209,603.04, 289,243.08 and 114,110.04 is: 157,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,603.04 : 289,243.08 = 114,110.04 : x
  2. Step 2: Convert to fraction form
    209,603.04/289,243.08 = 114,110.04/x
  3. Step 3: Cross multiply
    209,603.04x = 289,243.08 × 114,110.04
  4. Step 4: Simplify right side
    209,603.04x = 33,005,539,428.52
  5. Step 5: Solve for x
    x = 33,005,539,428.52/209,603.04
  6. Step 6: Final answer
    x = 157,466.89

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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.