Home / 260,352.17-390,683.45-116,246.80

Finding the Fourth Proportional to 260,352.17, 390,683.45 and 116,246.80

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Solution

The fourth proportional to 260,352.17, 390,683.45 and 116,246.80 is: 174,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,352.17 : 390,683.45 = 116,246.80 : x
  2. Step 2: Convert to fraction form
    260,352.17/390,683.45 = 116,246.80/x
  3. Step 3: Cross multiply
    260,352.17x = 390,683.45 × 116,246.80
  4. Step 4: Simplify right side
    260,352.17x = 45,415,699,456.84
  5. Step 5: Solve for x
    x = 45,415,699,456.84/260,352.17
  6. Step 6: Final answer
    x = 174,439.49

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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.