Home / 186,046.40-279,069.60-111,396.80

Finding the Fourth Proportional to 186,046.40, 279,069.60 and 111,396.80

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Solution

The fourth proportional to 186,046.40, 279,069.60 and 111,396.80 is: 167,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,046.40 : 279,069.60 = 111,396.80 : x
  2. Step 2: Convert to fraction form
    186,046.40/279,069.60 = 111,396.80/x
  3. Step 3: Cross multiply
    186,046.40x = 279,069.60 × 111,396.80
  4. Step 4: Simplify right side
    186,046.40x = 31,087,460,417.28
  5. Step 5: Solve for x
    x = 31,087,460,417.28/186,046.40
  6. Step 6: Final answer
    x = 167,095.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.