Home / 109,464.37-163,950.51-66,653.85

Finding the Fourth Proportional to 109,464.37, 163,950.51 and 66,653.85

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Solution

The fourth proportional to 109,464.37, 163,950.51 and 66,653.85 is: 99,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,464.37 : 163,950.51 = 66,653.85 : x
  2. Step 2: Convert to fraction form
    109,464.37/163,950.51 = 66,653.85/x
  3. Step 3: Cross multiply
    109,464.37x = 163,950.51 × 66,653.85
  4. Step 4: Simplify right side
    109,464.37x = 10,927,931,881.21
  5. Step 5: Solve for x
    x = 10,927,931,881.21/109,464.37
  6. Step 6: Final answer
    x = 99,830.95

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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.