Home / 160,429.07-221,231.53-106,716.35

Finding the Fourth Proportional to 160,429.07, 221,231.53 and 106,716.35

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Solution

The fourth proportional to 160,429.07, 221,231.53 and 106,716.35 is: 147,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,429.07 : 221,231.53 = 106,716.35 : x
  2. Step 2: Convert to fraction form
    160,429.07/221,231.53 = 106,716.35/x
  3. Step 3: Cross multiply
    160,429.07x = 221,231.53 × 106,716.35
  4. Step 4: Simplify right side
    160,429.07x = 23,609,021,386.52
  5. Step 5: Solve for x
    x = 23,609,021,386.52/160,429.07
  6. Step 6: Final answer
    x = 147,161.74

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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.