Home / 110,686.23-152,758.74-67,690.86

Finding the Fourth Proportional to 110,686.23, 152,758.74 and 67,690.86

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Solution

The fourth proportional to 110,686.23, 152,758.74 and 67,690.86 is: 93,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,686.23 : 152,758.74 = 67,690.86 : x
  2. Step 2: Convert to fraction form
    110,686.23/152,758.74 = 67,690.86/x
  3. Step 3: Cross multiply
    110,686.23x = 152,758.74 × 67,690.86
  4. Step 4: Simplify right side
    110,686.23x = 10,340,370,483.12
  5. Step 5: Solve for x
    x = 10,340,370,483.12/110,686.23
  6. Step 6: Final answer
    x = 93,420.57

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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.