Home / 112,776.14-169,164.15-105,302.76

Finding the Fourth Proportional to 112,776.14, 169,164.15 and 105,302.76

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Solution

The fourth proportional to 112,776.14, 169,164.15 and 105,302.76 is: 157,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776.14 : 169,164.15 = 105,302.76 : x
  2. Step 2: Convert to fraction form
    112,776.14/169,164.15 = 105,302.76/x
  3. Step 3: Cross multiply
    112,776.14x = 169,164.15 × 105,302.76
  4. Step 4: Simplify right side
    112,776.14x = 17,813,451,888.05
  5. Step 5: Solve for x
    x = 17,813,451,888.05/112,776.14
  6. Step 6: Final answer
    x = 157,954.08

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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.