Home / 127,316.48-190,907.52-43,047.68

Finding the Fourth Proportional to 127,316.48, 190,907.52 and 43,047.68

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Solution

The fourth proportional to 127,316.48, 190,907.52 and 43,047.68 is: 64,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316.48 : 190,907.52 = 43,047.68 : x
  2. Step 2: Convert to fraction form
    127,316.48/190,907.52 = 43,047.68/x
  3. Step 3: Cross multiply
    127,316.48x = 190,907.52 × 43,047.68
  4. Step 4: Simplify right side
    127,316.48x = 8,218,125,830.55
  5. Step 5: Solve for x
    x = 8,218,125,830.55/127,316.48
  6. Step 6: Final answer
    x = 64,548.80

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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.