Home / 164,018.30-226,479.40-103,686.26

Finding the Fourth Proportional to 164,018.30, 226,479.40 and 103,686.26

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Solution

The fourth proportional to 164,018.30, 226,479.40 and 103,686.26 is: 143,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,018.30 : 226,479.40 = 103,686.26 : x
  2. Step 2: Convert to fraction form
    164,018.30/226,479.40 = 103,686.26/x
  3. Step 3: Cross multiply
    164,018.30x = 226,479.40 × 103,686.26
  4. Step 4: Simplify right side
    164,018.30x = 23,482,801,953.04
  5. Step 5: Solve for x
    x = 23,482,801,953.04/164,018.30
  6. Step 6: Final answer
    x = 143,171.84

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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.