Home / 190,710.77-286,204.39-70,784.79

Finding the Fourth Proportional to 190,710.77, 286,204.39 and 70,784.79

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Solution

The fourth proportional to 190,710.77, 286,204.39 and 70,784.79 is: 106,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710.77 : 286,204.39 = 70,784.79 : x
  2. Step 2: Convert to fraction form
    190,710.77/286,204.39 = 70,784.79/x
  3. Step 3: Cross multiply
    190,710.77x = 286,204.39 × 70,784.79
  4. Step 4: Simplify right side
    190,710.77x = 20,258,916,393.00
  5. Step 5: Solve for x
    x = 20,258,916,393.00/190,710.77
  6. Step 6: Final answer
    x = 106,228.49

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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.