Home / 216,021.60-324,032.40-163,533.60

Finding the Fourth Proportional to 216,021.60, 324,032.40 and 163,533.60

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Solution

The fourth proportional to 216,021.60, 324,032.40 and 163,533.60 is: 245,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021.60 : 324,032.40 = 163,533.60 : x
  2. Step 2: Convert to fraction form
    216,021.60/324,032.40 = 163,533.60/x
  3. Step 3: Cross multiply
    216,021.60x = 324,032.40 × 163,533.60
  4. Step 4: Simplify right side
    216,021.60x = 52,990,184,888.64
  5. Step 5: Solve for x
    x = 52,990,184,888.64/216,021.60
  6. Step 6: Final answer
    x = 245,300.40

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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.