Home / 130,642.32-196,077.24-74,594.64

Finding the Fourth Proportional to 130,642.32, 196,077.24 and 74,594.64

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Solution

The fourth proportional to 130,642.32, 196,077.24 and 74,594.64 is: 111,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,642.32 : 196,077.24 = 74,594.64 : x
  2. Step 2: Convert to fraction form
    130,642.32/196,077.24 = 74,594.64/x
  3. Step 3: Cross multiply
    130,642.32x = 196,077.24 × 74,594.64
  4. Step 4: Simplify right side
    130,642.32x = 14,626,311,129.99
  5. Step 5: Solve for x
    x = 14,626,311,129.99/130,642.32
  6. Step 6: Final answer
    x = 111,956.92

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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.