Home / 127,056.48-190,579.26-42,811.08

Finding the Fourth Proportional to 127,056.48, 190,579.26 and 42,811.08

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Solution

The fourth proportional to 127,056.48, 190,579.26 and 42,811.08 is: 64,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,056.48 : 190,579.26 = 42,811.08 : x
  2. Step 2: Convert to fraction form
    127,056.48/190,579.26 = 42,811.08/x
  3. Step 3: Cross multiply
    127,056.48x = 190,579.26 × 42,811.08
  4. Step 4: Simplify right side
    127,056.48x = 8,158,903,946.20
  5. Step 5: Solve for x
    x = 8,158,903,946.20/127,056.48
  6. Step 6: Final answer
    x = 64,214.78

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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.