Home / 133,653.75-184,442.18-74,037.75

Finding the Fourth Proportional to 133,653.75, 184,442.18 and 74,037.75

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Solution

The fourth proportional to 133,653.75, 184,442.18 and 74,037.75 is: 102,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,653.75 : 184,442.18 = 74,037.75 : x
  2. Step 2: Convert to fraction form
    133,653.75/184,442.18 = 74,037.75/x
  3. Step 3: Cross multiply
    133,653.75x = 184,442.18 × 74,037.75
  4. Step 4: Simplify right side
    133,653.75x = 13,655,683,642.11
  5. Step 5: Solve for x
    x = 13,655,683,642.11/133,653.75
  6. Step 6: Final answer
    x = 102,172.10

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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.