Home / 127,401.60-191,102.40-32,631.60

Finding the Fourth Proportional to 127,401.60, 191,102.40 and 32,631.60

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Solution

The fourth proportional to 127,401.60, 191,102.40 and 32,631.60 is: 48,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.60 : 191,102.40 = 32,631.60 : x
  2. Step 2: Convert to fraction form
    127,401.60/191,102.40 = 32,631.60/x
  3. Step 3: Cross multiply
    127,401.60x = 191,102.40 × 32,631.60
  4. Step 4: Simplify right side
    127,401.60x = 6,235,977,075.84
  5. Step 5: Solve for x
    x = 6,235,977,075.84/127,401.60
  6. Step 6: Final answer
    x = 48,947.40

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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.