Home / 112,534.77-168,614.73-79,184.76

Finding the Fourth Proportional to 112,534.77, 168,614.73 and 79,184.76

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Solution

The fourth proportional to 112,534.77, 168,614.73 and 79,184.76 is: 118,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,534.77 : 168,614.73 = 79,184.76 : x
  2. Step 2: Convert to fraction form
    112,534.77/168,614.73 = 79,184.76/x
  3. Step 3: Cross multiply
    112,534.77x = 168,614.73 × 79,184.76
  4. Step 4: Simplify right side
    112,534.77x = 13,351,716,927.51
  5. Step 5: Solve for x
    x = 13,351,716,927.51/112,534.77
  6. Step 6: Final answer
    x = 118,645.26

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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.