Home / 130,461.30-195,546.15-74,328.30

Finding the Fourth Proportional to 130,461.30, 195,546.15 and 74,328.30

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Solution

The fourth proportional to 130,461.30, 195,546.15 and 74,328.30 is: 111,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,461.30 : 195,546.15 = 74,328.30 : x
  2. Step 2: Convert to fraction form
    130,461.30/195,546.15 = 74,328.30/x
  3. Step 3: Cross multiply
    130,461.30x = 195,546.15 × 74,328.30
  4. Step 4: Simplify right side
    130,461.30x = 14,534,612,901.05
  5. Step 5: Solve for x
    x = 14,534,612,901.05/130,461.30
  6. Step 6: Final answer
    x = 111,409.38

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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.