Home / 112,461.26-168,608.55-68,077.51

Finding the Fourth Proportional to 112,461.26, 168,608.55 and 68,077.51

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Solution

The fourth proportional to 112,461.26, 168,608.55 and 68,077.51 is: 102,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,461.26 : 168,608.55 = 68,077.51 : x
  2. Step 2: Convert to fraction form
    112,461.26/168,608.55 = 68,077.51/x
  3. Step 3: Cross multiply
    112,461.26x = 168,608.55 × 68,077.51
  4. Step 4: Simplify right side
    112,461.26x = 11,478,450,248.71
  5. Step 5: Solve for x
    x = 11,478,450,248.71/112,461.26
  6. Step 6: Final answer
    x = 102,065.82

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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.