Home / 109,611.10-164,416.65-103,050.10

Finding the Fourth Proportional to 109,611.10, 164,416.65 and 103,050.10

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Solution

The fourth proportional to 109,611.10, 164,416.65 and 103,050.10 is: 154,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,611.10 : 164,416.65 = 103,050.10 : x
  2. Step 2: Convert to fraction form
    109,611.10/164,416.65 = 103,050.10/x
  3. Step 3: Cross multiply
    109,611.10x = 164,416.65 × 103,050.10
  4. Step 4: Simplify right side
    109,611.10x = 16,943,152,224.17
  5. Step 5: Solve for x
    x = 16,943,152,224.17/109,611.10
  6. Step 6: Final answer
    x = 154,575.15

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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.