Home / 106,210.32-146,495.58-69,900.20

Finding the Fourth Proportional to 106,210.32, 146,495.58 and 69,900.20

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Solution

The fourth proportional to 106,210.32, 146,495.58 and 69,900.20 is: 96,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210.32 : 146,495.58 = 69,900.20 : x
  2. Step 2: Convert to fraction form
    106,210.32/146,495.58 = 69,900.20/x
  3. Step 3: Cross multiply
    106,210.32x = 146,495.58 × 69,900.20
  4. Step 4: Simplify right side
    106,210.32x = 10,240,069,608.64
  5. Step 5: Solve for x
    x = 10,240,069,608.64/106,210.32
  6. Step 6: Final answer
    x = 96,413.13

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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.