Home / 116,164.80-174,247.20-109,166.40

Finding the Fourth Proportional to 116,164.80, 174,247.20 and 109,166.40

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Solution

The fourth proportional to 116,164.80, 174,247.20 and 109,166.40 is: 163,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,164.80 : 174,247.20 = 109,166.40 : x
  2. Step 2: Convert to fraction form
    116,164.80/174,247.20 = 109,166.40/x
  3. Step 3: Cross multiply
    116,164.80x = 174,247.20 × 109,166.40
  4. Step 4: Simplify right side
    116,164.80x = 19,021,939,534.08
  5. Step 5: Solve for x
    x = 19,021,939,534.08/116,164.80
  6. Step 6: Final answer
    x = 163,749.60

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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.