Home / 370,216.80-555,325.20-89,734.05

Finding the Fourth Proportional to 370,216.80, 555,325.20 and 89,734.05

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Solution

The fourth proportional to 370,216.80, 555,325.20 and 89,734.05 is: 134,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,216.80 : 555,325.20 = 89,734.05 : x
  2. Step 2: Convert to fraction form
    370,216.80/555,325.20 = 89,734.05/x
  3. Step 3: Cross multiply
    370,216.80x = 555,325.20 × 89,734.05
  4. Step 4: Simplify right side
    370,216.80x = 49,831,579,263.06
  5. Step 5: Solve for x
    x = 49,831,579,263.06/370,216.80
  6. Step 6: Final answer
    x = 134,601.08

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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.