Home / 133,857.16-184,711.15-76,485.06

Finding the Fourth Proportional to 133,857.16, 184,711.15 and 76,485.06

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Solution

The fourth proportional to 133,857.16, 184,711.15 and 76,485.06 is: 105,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.16 : 184,711.15 = 76,485.06 : x
  2. Step 2: Convert to fraction form
    133,857.16/184,711.15 = 76,485.06/x
  3. Step 3: Cross multiply
    133,857.16x = 184,711.15 × 76,485.06
  4. Step 4: Simplify right side
    133,857.16x = 14,127,643,486.03
  5. Step 5: Solve for x
    x = 14,127,643,486.03/133,857.16
  6. Step 6: Final answer
    x = 105,542.68

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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.