Home / 127,677.87-190,009.58-123,420.89

Finding the Fourth Proportional to 127,677.87, 190,009.58 and 123,420.89

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Solution

The fourth proportional to 127,677.87, 190,009.58 and 123,420.89 is: 183,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.87 : 190,009.58 = 123,420.89 : x
  2. Step 2: Convert to fraction form
    127,677.87/190,009.58 = 123,420.89/x
  3. Step 3: Cross multiply
    127,677.87x = 190,009.58 × 123,420.89
  4. Step 4: Simplify right side
    127,677.87x = 23,451,151,638.60
  5. Step 5: Solve for x
    x = 23,451,151,638.60/127,677.87
  6. Step 6: Final answer
    x = 183,674.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.