Home / 109,098.42-163,647.63-30,210.90

Finding the Fourth Proportional to 109,098.42, 163,647.63 and 30,210.90

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Solution

The fourth proportional to 109,098.42, 163,647.63 and 30,210.90 is: 45,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,098.42 : 163,647.63 = 30,210.90 : x
  2. Step 2: Convert to fraction form
    109,098.42/163,647.63 = 30,210.90/x
  3. Step 3: Cross multiply
    109,098.42x = 163,647.63 × 30,210.90
  4. Step 4: Simplify right side
    109,098.42x = 4,943,942,185.17
  5. Step 5: Solve for x
    x = 4,943,942,185.17/109,098.42
  6. Step 6: Final answer
    x = 45,316.35

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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.