Home / 142,940.02-214,258.76-48,079.90

Finding the Fourth Proportional to 142,940.02, 214,258.76 and 48,079.90

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Solution

The fourth proportional to 142,940.02, 214,258.76 and 48,079.90 is: 72,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,940.02 : 214,258.76 = 48,079.90 : x
  2. Step 2: Convert to fraction form
    142,940.02/214,258.76 = 48,079.90/x
  3. Step 3: Cross multiply
    142,940.02x = 214,258.76 × 48,079.90
  4. Step 4: Simplify right side
    142,940.02x = 10,301,539,754.92
  5. Step 5: Solve for x
    x = 10,301,539,754.92/142,940.02
  6. Step 6: Final answer
    x = 72,068.97

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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.