Home / 133,054.14-183,614.70-90,686.67

Finding the Fourth Proportional to 133,054.14, 183,614.70 and 90,686.67

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Solution

The fourth proportional to 133,054.14, 183,614.70 and 90,686.67 is: 125,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054.14 : 183,614.70 = 90,686.67 : x
  2. Step 2: Convert to fraction form
    133,054.14/183,614.70 = 90,686.67/x
  3. Step 3: Cross multiply
    133,054.14x = 183,614.70 × 90,686.67
  4. Step 4: Simplify right side
    133,054.14x = 16,651,405,706.05
  5. Step 5: Solve for x
    x = 16,651,405,706.05/133,054.14
  6. Step 6: Final answer
    x = 125,147.60

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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.