Home / 116,738.78-174,827.50-66,667.10

Finding the Fourth Proportional to 116,738.78, 174,827.50 and 66,667.10

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Solution

The fourth proportional to 116,738.78, 174,827.50 and 66,667.10 is: 99,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,738.78 : 174,827.50 = 66,667.10 : x
  2. Step 2: Convert to fraction form
    116,738.78/174,827.50 = 66,667.10/x
  3. Step 3: Cross multiply
    116,738.78x = 174,827.50 × 66,667.10
  4. Step 4: Simplify right side
    116,738.78x = 11,655,241,384.44
  5. Step 5: Solve for x
    x = 11,655,241,384.44/116,738.78
  6. Step 6: Final answer
    x = 99,840.36

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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.