Home / 105,244.82-145,237.80-59,920.46

Finding the Fourth Proportional to 105,244.82, 145,237.80 and 59,920.46

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Solution

The fourth proportional to 105,244.82, 145,237.80 and 59,920.46 is: 82,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,244.82 : 145,237.80 = 59,920.46 : x
  2. Step 2: Convert to fraction form
    105,244.82/145,237.80 = 59,920.46/x
  3. Step 3: Cross multiply
    105,244.82x = 145,237.80 × 59,920.46
  4. Step 4: Simplify right side
    105,244.82x = 8,702,715,785.39
  5. Step 5: Solve for x
    x = 8,702,715,785.39/105,244.82
  6. Step 6: Final answer
    x = 82,690.21

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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.