Home / 112,155.07-168,087.28-45,558.87

Finding the Fourth Proportional to 112,155.07, 168,087.28 and 45,558.87

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Solution

The fourth proportional to 112,155.07, 168,087.28 and 45,558.87 is: 68,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.07 : 168,087.28 = 45,558.87 : x
  2. Step 2: Convert to fraction form
    112,155.07/168,087.28 = 45,558.87/x
  3. Step 3: Cross multiply
    112,155.07x = 168,087.28 × 45,558.87
  4. Step 4: Simplify right side
    112,155.07x = 7,657,866,538.17
  5. Step 5: Solve for x
    x = 7,657,866,538.17/112,155.07
  6. Step 6: Final answer
    x = 68,279.27

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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.