Home / 146,813.12-220,238.04-52,021.16

Finding the Fourth Proportional to 146,813.12, 220,238.04 and 52,021.16

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Solution

The fourth proportional to 146,813.12, 220,238.04 and 52,021.16 is: 78,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,813.12 : 220,238.04 = 52,021.16 : x
  2. Step 2: Convert to fraction form
    146,813.12/220,238.04 = 52,021.16/x
  3. Step 3: Cross multiply
    146,813.12x = 220,238.04 × 52,021.16
  4. Step 4: Simplify right side
    146,813.12x = 11,457,038,316.93
  5. Step 5: Solve for x
    x = 11,457,038,316.93/146,813.12
  6. Step 6: Final answer
    x = 78,038.25

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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.