Home / 164,020.30-226,482.16-103,688.26

Finding the Fourth Proportional to 164,020.30, 226,482.16 and 103,688.26

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Solution

The fourth proportional to 164,020.30, 226,482.16 and 103,688.26 is: 143,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,020.30 : 226,482.16 = 103,688.26 : x
  2. Step 2: Convert to fraction form
    164,020.30/226,482.16 = 103,688.26/x
  3. Step 3: Cross multiply
    164,020.30x = 226,482.16 × 103,688.26
  4. Step 4: Simplify right side
    164,020.30x = 23,483,541,091.44
  5. Step 5: Solve for x
    x = 23,483,541,091.44/164,020.30
  6. Step 6: Final answer
    x = 143,174.60

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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.