Home / 370,217.51-555,324.43-89,734.76

Finding the Fourth Proportional to 370,217.51, 555,324.43 and 89,734.76

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Solution

The fourth proportional to 370,217.51, 555,324.43 and 89,734.76 is: 134,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,217.51 : 555,324.43 = 89,734.76 : x
  2. Step 2: Convert to fraction form
    370,217.51/555,324.43 = 89,734.76/x
  3. Step 3: Cross multiply
    370,217.51x = 555,324.43 × 89,734.76
  4. Step 4: Simplify right side
    370,217.51x = 49,831,904,448.19
  5. Step 5: Solve for x
    x = 49,831,904,448.19/370,217.51
  6. Step 6: Final answer
    x = 134,601.70

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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.