Home / 122,296.42-168,697.38-76,902.40

Finding the Fourth Proportional to 122,296.42, 168,697.38 and 76,902.40

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Solution

The fourth proportional to 122,296.42, 168,697.38 and 76,902.40 is: 106,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,296.42 : 168,697.38 = 76,902.40 : x
  2. Step 2: Convert to fraction form
    122,296.42/168,697.38 = 76,902.40/x
  3. Step 3: Cross multiply
    122,296.42x = 168,697.38 × 76,902.40
  4. Step 4: Simplify right side
    122,296.42x = 12,973,233,395.71
  5. Step 5: Solve for x
    x = 12,973,233,395.71/122,296.42
  6. Step 6: Final answer
    x = 106,080.24

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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.