Home / 110,429.20-165,643.80-101,875.60

Finding the Fourth Proportional to 110,429.20, 165,643.80 and 101,875.60

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Solution

The fourth proportional to 110,429.20, 165,643.80 and 101,875.60 is: 152,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,429.20 : 165,643.80 = 101,875.60 : x
  2. Step 2: Convert to fraction form
    110,429.20/165,643.80 = 101,875.60/x
  3. Step 3: Cross multiply
    110,429.20x = 165,643.80 × 101,875.60
  4. Step 4: Simplify right side
    110,429.20x = 16,875,061,511.28
  5. Step 5: Solve for x
    x = 16,875,061,511.28/110,429.20
  6. Step 6: Final answer
    x = 152,813.40

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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.