Home / 162,583.80-243,438.30-127,300.20

Finding the Fourth Proportional to 162,583.80, 243,438.30 and 127,300.20

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Solution

The fourth proportional to 162,583.80, 243,438.30 and 127,300.20 is: 190,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,583.80 : 243,438.30 = 127,300.20 : x
  2. Step 2: Convert to fraction form
    162,583.80/243,438.30 = 127,300.20/x
  3. Step 3: Cross multiply
    162,583.80x = 243,438.30 × 127,300.20
  4. Step 4: Simplify right side
    162,583.80x = 30,989,744,277.66
  5. Step 5: Solve for x
    x = 30,989,744,277.66/162,583.80
  6. Step 6: Final answer
    x = 190,607.82

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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.