Home / 112,033.40-167,564.10-100,272.20

Finding the Fourth Proportional to 112,033.40, 167,564.10 and 100,272.20

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Solution

The fourth proportional to 112,033.40, 167,564.10 and 100,272.20 is: 149,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033.40 : 167,564.10 = 100,272.20 : x
  2. Step 2: Convert to fraction form
    112,033.40/167,564.10 = 100,272.20/x
  3. Step 3: Cross multiply
    112,033.40x = 167,564.10 × 100,272.20
  4. Step 4: Simplify right side
    112,033.40x = 16,802,020,948.02
  5. Step 5: Solve for x
    x = 16,802,020,948.02/112,033.40
  6. Step 6: Final answer
    x = 149,973.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.