Home / 107,204.47-147,893.65-66,928.17

Finding the Fourth Proportional to 107,204.47, 147,893.65 and 66,928.17

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Solution

The fourth proportional to 107,204.47, 147,893.65 and 66,928.17 is: 92,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,204.47 : 147,893.65 = 66,928.17 : x
  2. Step 2: Convert to fraction form
    107,204.47/147,893.65 = 66,928.17/x
  3. Step 3: Cross multiply
    107,204.47x = 147,893.65 × 66,928.17
  4. Step 4: Simplify right side
    107,204.47x = 9,898,251,349.12
  5. Step 5: Solve for x
    x = 9,898,251,349.12/107,204.47
  6. Step 6: Final answer
    x = 92,330.58

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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.