Home / 109,907.41-151,673.94-64,591.40

Finding the Fourth Proportional to 109,907.41, 151,673.94 and 64,591.40

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Solution

The fourth proportional to 109,907.41, 151,673.94 and 64,591.40 is: 89,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,907.41 : 151,673.94 = 64,591.40 : x
  2. Step 2: Convert to fraction form
    109,907.41/151,673.94 = 64,591.40/x
  3. Step 3: Cross multiply
    109,907.41x = 151,673.94 × 64,591.40
  4. Step 4: Simplify right side
    109,907.41x = 9,796,832,128.12
  5. Step 5: Solve for x
    x = 9,796,832,128.12/109,907.41
  6. Step 6: Final answer
    x = 89,137.14

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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.