Home / 209,875.36-289,635.81-119,246.69

Finding the Fourth Proportional to 209,875.36, 289,635.81 and 119,246.69

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Solution

The fourth proportional to 209,875.36, 289,635.81 and 119,246.69 is: 164,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,875.36 : 289,635.81 = 119,246.69 : x
  2. Step 2: Convert to fraction form
    209,875.36/289,635.81 = 119,246.69/x
  3. Step 3: Cross multiply
    209,875.36x = 289,635.81 × 119,246.69
  4. Step 4: Simplify right side
    209,875.36x = 34,538,109,603.56
  5. Step 5: Solve for x
    x = 34,538,109,603.56/209,875.36
  6. Step 6: Final answer
    x = 164,564.87

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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.