Home / 130,153.16-195,278.32-51,322.34

Finding the Fourth Proportional to 130,153.16, 195,278.32 and 51,322.34

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Solution

The fourth proportional to 130,153.16, 195,278.32 and 51,322.34 is: 77,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,153.16 : 195,278.32 = 51,322.34 : x
  2. Step 2: Convert to fraction form
    130,153.16/195,278.32 = 51,322.34/x
  3. Step 3: Cross multiply
    130,153.16x = 195,278.32 × 51,322.34
  4. Step 4: Simplify right side
    130,153.16x = 10,022,140,333.67
  5. Step 5: Solve for x
    x = 10,022,140,333.67/130,153.16
  6. Step 6: Final answer
    x = 77,002.67

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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.