Home / 130,439.35-195,746.70-46,199.21

Finding the Fourth Proportional to 130,439.35, 195,746.70 and 46,199.21

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Solution

The fourth proportional to 130,439.35, 195,746.70 and 46,199.21 is: 69,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,439.35 : 195,746.70 = 46,199.21 : x
  2. Step 2: Convert to fraction form
    130,439.35/195,746.70 = 46,199.21/x
  3. Step 3: Cross multiply
    130,439.35x = 195,746.70 × 46,199.21
  4. Step 4: Simplify right side
    130,439.35x = 9,043,342,900.11
  5. Step 5: Solve for x
    x = 9,043,342,900.11/130,439.35
  6. Step 6: Final answer
    x = 69,329.87

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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.