Home / 112,302.60-168,453.90-103,117.20

Finding the Fourth Proportional to 112,302.60, 168,453.90 and 103,117.20

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Solution

The fourth proportional to 112,302.60, 168,453.90 and 103,117.20 is: 154,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,302.60 : 168,453.90 = 103,117.20 : x
  2. Step 2: Convert to fraction form
    112,302.60/168,453.90 = 103,117.20/x
  3. Step 3: Cross multiply
    112,302.60x = 168,453.90 × 103,117.20
  4. Step 4: Simplify right side
    112,302.60x = 17,370,494,497.08
  5. Step 5: Solve for x
    x = 17,370,494,497.08/112,302.60
  6. Step 6: Final answer
    x = 154,675.80

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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.