Home / 110,416.40-165,624.60-99,702.80

Finding the Fourth Proportional to 110,416.40, 165,624.60 and 99,702.80

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Solution

The fourth proportional to 110,416.40, 165,624.60 and 99,702.80 is: 149,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,416.40 : 165,624.60 = 99,702.80 : x
  2. Step 2: Convert to fraction form
    110,416.40/165,624.60 = 99,702.80/x
  3. Step 3: Cross multiply
    110,416.40x = 165,624.60 × 99,702.80
  4. Step 4: Simplify right side
    110,416.40x = 16,513,236,368.88
  5. Step 5: Solve for x
    x = 16,513,236,368.88/110,416.40
  6. Step 6: Final answer
    x = 149,554.20

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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.