Home / 133,173.75-183,785.18-76,585.13

Finding the Fourth Proportional to 133,173.75, 183,785.18 and 76,585.13

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Solution

The fourth proportional to 133,173.75, 183,785.18 and 76,585.13 is: 105,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,173.75 : 183,785.18 = 76,585.13 : x
  2. Step 2: Convert to fraction form
    133,173.75/183,785.18 = 76,585.13/x
  3. Step 3: Cross multiply
    133,173.75x = 183,785.18 × 76,585.13
  4. Step 4: Simplify right side
    133,173.75x = 14,075,211,902.37
  5. Step 5: Solve for x
    x = 14,075,211,902.37/133,173.75
  6. Step 6: Final answer
    x = 105,690.59

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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.