Home / 145,544.67-218,243.21-66,591.23

Finding the Fourth Proportional to 145,544.67, 218,243.21 and 66,591.23

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Solution

The fourth proportional to 145,544.67, 218,243.21 and 66,591.23 is: 99,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544.67 : 218,243.21 = 66,591.23 : x
  2. Step 2: Convert to fraction form
    145,544.67/218,243.21 = 66,591.23/x
  3. Step 3: Cross multiply
    145,544.67x = 218,243.21 × 66,591.23
  4. Step 4: Simplify right side
    145,544.67x = 14,533,082,368.88
  5. Step 5: Solve for x
    x = 14,533,082,368.88/145,544.67
  6. Step 6: Final answer
    x = 99,853.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.