Home / 133,601.68-184,281.59-85,915.36

Finding the Fourth Proportional to 133,601.68, 184,281.59 and 85,915.36

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Solution

The fourth proportional to 133,601.68, 184,281.59 and 85,915.36 is: 118,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,601.68 : 184,281.59 = 85,915.36 : x
  2. Step 2: Convert to fraction form
    133,601.68/184,281.59 = 85,915.36/x
  3. Step 3: Cross multiply
    133,601.68x = 184,281.59 × 85,915.36
  4. Step 4: Simplify right side
    133,601.68x = 15,832,619,146.22
  5. Step 5: Solve for x
    x = 15,832,619,146.22/133,601.68
  6. Step 6: Final answer
    x = 118,506.14

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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.