Home / 105,296.14-145,306.41-59,355.46

Finding the Fourth Proportional to 105,296.14, 145,306.41 and 59,355.46

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Solution

The fourth proportional to 105,296.14, 145,306.41 and 59,355.46 is: 81,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,296.14 : 145,306.41 = 59,355.46 : x
  2. Step 2: Convert to fraction form
    105,296.14/145,306.41 = 59,355.46/x
  3. Step 3: Cross multiply
    105,296.14x = 145,306.41 × 59,355.46
  4. Step 4: Simplify right side
    105,296.14x = 8,624,728,806.50
  5. Step 5: Solve for x
    x = 8,624,728,806.50/105,296.14
  6. Step 6: Final answer
    x = 81,909.26

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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.