Home / 112,212.44-168,312.06-42,085.88

Finding the Fourth Proportional to 112,212.44, 168,312.06 and 42,085.88

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Solution

The fourth proportional to 112,212.44, 168,312.06 and 42,085.88 is: 63,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,212.44 : 168,312.06 = 42,085.88 : x
  2. Step 2: Convert to fraction form
    112,212.44/168,312.06 = 42,085.88/x
  3. Step 3: Cross multiply
    112,212.44x = 168,312.06 × 42,085.88
  4. Step 4: Simplify right side
    112,212.44x = 7,083,561,159.71
  5. Step 5: Solve for x
    x = 7,083,561,159.71/112,212.44
  6. Step 6: Final answer
    x = 63,126.34

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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.