Home / 147,567.94-203,653.38-83,911.66

Finding the Fourth Proportional to 147,567.94, 203,653.38 and 83,911.66

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Solution

The fourth proportional to 147,567.94, 203,653.38 and 83,911.66 is: 115,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,567.94 : 203,653.38 = 83,911.66 : x
  2. Step 2: Convert to fraction form
    147,567.94/203,653.38 = 83,911.66/x
  3. Step 3: Cross multiply
    147,567.94x = 203,653.38 × 83,911.66
  4. Step 4: Simplify right side
    147,567.94x = 17,088,893,180.41
  5. Step 5: Solve for x
    x = 17,088,893,180.41/147,567.94
  6. Step 6: Final answer
    x = 115,803.56

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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.