Home / 133,428.16-184,153.44-76,829.12

Finding the Fourth Proportional to 133,428.16, 184,153.44 and 76,829.12

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Solution

The fourth proportional to 133,428.16, 184,153.44 and 76,829.12 is: 106,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,428.16 : 184,153.44 = 76,829.12 : x
  2. Step 2: Convert to fraction form
    133,428.16/184,153.44 = 76,829.12/x
  3. Step 3: Cross multiply
    133,428.16x = 184,153.44 × 76,829.12
  4. Step 4: Simplify right side
    133,428.16x = 14,148,346,740.17
  5. Step 5: Solve for x
    x = 14,148,346,740.17/133,428.16
  6. Step 6: Final answer
    x = 106,037.19

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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.