Home / 127,869.40-191,573.70-104,368.60

Finding the Fourth Proportional to 127,869.40, 191,573.70 and 104,368.60

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Solution

The fourth proportional to 127,869.40, 191,573.70 and 104,368.60 is: 156,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869.40 : 191,573.70 = 104,368.60 : x
  2. Step 2: Convert to fraction form
    127,869.40/191,573.70 = 104,368.60/x
  3. Step 3: Cross multiply
    127,869.40x = 191,573.70 × 104,368.60
  4. Step 4: Simplify right side
    127,869.40x = 19,994,278,865.82
  5. Step 5: Solve for x
    x = 19,994,278,865.82/127,869.40
  6. Step 6: Final answer
    x = 156,364.84

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1.5x scale

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.