Home / 97,668.25-147,234.42-91,158.24

Finding the Fourth Proportional to 97,668.25, 147,234.42 and 91,158.24

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Solution

The fourth proportional to 97,668.25, 147,234.42 and 91,158.24 is: 137,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,668.25 : 147,234.42 = 91,158.24 : x
  2. Step 2: Convert to fraction form
    97,668.25/147,234.42 = 91,158.24/x
  3. Step 3: Cross multiply
    97,668.25x = 147,234.42 × 91,158.24
  4. Step 4: Simplify right side
    97,668.25x = 13,421,630,594.62
  5. Step 5: Solve for x
    x = 13,421,630,594.62/97,668.25
  6. Step 6: Final answer
    x = 137,420.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.