Home / 117,316.91-162,030.99-79,525.55

Finding the Fourth Proportional to 117,316.91, 162,030.99 and 79,525.55

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Solution

The fourth proportional to 117,316.91, 162,030.99 and 79,525.55 is: 109,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.91 : 162,030.99 = 79,525.55 : x
  2. Step 2: Convert to fraction form
    117,316.91/162,030.99 = 79,525.55/x
  3. Step 3: Cross multiply
    117,316.91x = 162,030.99 × 79,525.55
  4. Step 4: Simplify right side
    117,316.91x = 12,885,604,379.30
  5. Step 5: Solve for x
    x = 12,885,604,379.30/117,316.91
  6. Step 6: Final answer
    x = 109,835.86

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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.