Home / 103,483.53-142,803.27-58,163.40

Finding the Fourth Proportional to 103,483.53, 142,803.27 and 58,163.40

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Solution

The fourth proportional to 103,483.53, 142,803.27 and 58,163.40 is: 80,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.53 : 142,803.27 = 58,163.40 : x
  2. Step 2: Convert to fraction form
    103,483.53/142,803.27 = 58,163.40/x
  3. Step 3: Cross multiply
    103,483.53x = 142,803.27 × 58,163.40
  4. Step 4: Simplify right side
    103,483.53x = 8,305,923,714.32
  5. Step 5: Solve for x
    x = 8,305,923,714.32/103,483.53
  6. Step 6: Final answer
    x = 80,263.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.