Home / 115,818.08-173,500.88-79,788.18

Finding the Fourth Proportional to 115,818.08, 173,500.88 and 79,788.18

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Solution

The fourth proportional to 115,818.08, 173,500.88 and 79,788.18 is: 119,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,818.08 : 173,500.88 = 79,788.18 : x
  2. Step 2: Convert to fraction form
    115,818.08/173,500.88 = 79,788.18/x
  3. Step 3: Cross multiply
    115,818.08x = 173,500.88 × 79,788.18
  4. Step 4: Simplify right side
    115,818.08x = 13,843,319,443.60
  5. Step 5: Solve for x
    x = 13,843,319,443.60/115,818.08
  6. Step 6: Final answer
    x = 119,526.41

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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.