Home / 105,182.20-145,152.23-59,863.63

Finding the Fourth Proportional to 105,182.20, 145,152.23 and 59,863.63

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Solution

The fourth proportional to 105,182.20, 145,152.23 and 59,863.63 is: 82,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,182.20 : 145,152.23 = 59,863.63 : x
  2. Step 2: Convert to fraction form
    105,182.20/145,152.23 = 59,863.63/x
  3. Step 3: Cross multiply
    105,182.20x = 145,152.23 × 59,863.63
  4. Step 4: Simplify right side
    105,182.20x = 8,689,339,390.39
  5. Step 5: Solve for x
    x = 8,689,339,390.39/105,182.20
  6. Step 6: Final answer
    x = 82,612.26

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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.