Home / 190,089.18-262,352.52-108,417.60

Finding the Fourth Proportional to 190,089.18, 262,352.52 and 108,417.60

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Solution

The fourth proportional to 190,089.18, 262,352.52 and 108,417.60 is: 149,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,089.18 : 262,352.52 = 108,417.60 : x
  2. Step 2: Convert to fraction form
    190,089.18/262,352.52 = 108,417.60/x
  3. Step 3: Cross multiply
    190,089.18x = 262,352.52 × 108,417.60
  4. Step 4: Simplify right side
    190,089.18x = 28,443,630,572.35
  5. Step 5: Solve for x
    x = 28,443,630,572.35/190,089.18
  6. Step 6: Final answer
    x = 149,633.09

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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.