Home / 112,774.14-169,161.15-105,300.76

Finding the Fourth Proportional to 112,774.14, 169,161.15 and 105,300.76

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Solution

The fourth proportional to 112,774.14, 169,161.15 and 105,300.76 is: 157,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.14 : 169,161.15 = 105,300.76 : x
  2. Step 2: Convert to fraction form
    112,774.14/169,161.15 = 105,300.76/x
  3. Step 3: Cross multiply
    112,774.14x = 169,161.15 × 105,300.76
  4. Step 4: Simplify right side
    112,774.14x = 17,812,797,657.47
  5. Step 5: Solve for x
    x = 17,812,797,657.47/112,774.14
  6. Step 6: Final answer
    x = 157,951.08

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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.