Home / 457,050.40-685,639.32-190,749.94

Finding the Fourth Proportional to 457,050.40, 685,639.32 and 190,749.94

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Solution

The fourth proportional to 457,050.40, 685,639.32 and 190,749.94 is: 286,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,050.40 : 685,639.32 = 190,749.94 : x
  2. Step 2: Convert to fraction form
    457,050.40/685,639.32 = 190,749.94/x
  3. Step 3: Cross multiply
    457,050.40x = 685,639.32 × 190,749.94
  4. Step 4: Simplify right side
    457,050.40x = 130,785,659,151.64
  5. Step 5: Solve for x
    x = 130,785,659,151.64/457,050.40
  6. Step 6: Final answer
    x = 286,151.50

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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.