Home / 168,890.16-233,100.54-120,622.80

Finding the Fourth Proportional to 168,890.16, 233,100.54 and 120,622.80

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Solution

The fourth proportional to 168,890.16, 233,100.54 and 120,622.80 is: 166,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,890.16 : 233,100.54 = 120,622.80 : x
  2. Step 2: Convert to fraction form
    168,890.16/233,100.54 = 120,622.80/x
  3. Step 3: Cross multiply
    168,890.16x = 233,100.54 × 120,622.80
  4. Step 4: Simplify right side
    168,890.16x = 28,117,239,816.31
  5. Step 5: Solve for x
    x = 28,117,239,816.31/168,890.16
  6. Step 6: Final answer
    x = 166,482.40

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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.