Home / 130,410.64-195,483.62-74,134.46

Finding the Fourth Proportional to 130,410.64, 195,483.62 and 74,134.46

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Solution

The fourth proportional to 130,410.64, 195,483.62 and 74,134.46 is: 111,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410.64 : 195,483.62 = 74,134.46 : x
  2. Step 2: Convert to fraction form
    130,410.64/195,483.62 = 74,134.46/x
  3. Step 3: Cross multiply
    130,410.64x = 195,483.62 × 74,134.46
  4. Step 4: Simplify right side
    130,410.64x = 14,492,072,915.53
  5. Step 5: Solve for x
    x = 14,492,072,915.53/130,410.64
  6. Step 6: Final answer
    x = 111,126.46

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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.