Home / 204,746.40-307,119.60-190,922.40

Finding the Fourth Proportional to 204,746.40, 307,119.60 and 190,922.40

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Solution

The fourth proportional to 204,746.40, 307,119.60 and 190,922.40 is: 286,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,746.40 : 307,119.60 = 190,922.40 : x
  2. Step 2: Convert to fraction form
    204,746.40/307,119.60 = 190,922.40/x
  3. Step 3: Cross multiply
    204,746.40x = 307,119.60 × 190,922.40
  4. Step 4: Simplify right side
    204,746.40x = 58,636,011,119.04
  5. Step 5: Solve for x
    x = 58,636,011,119.04/204,746.40
  6. Step 6: Final answer
    x = 286,383.60

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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.