Home / 96,231.60-144,193.80-80,564.40

Finding the Fourth Proportional to 96,231.60, 144,193.80 and 80,564.40

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Solution

The fourth proportional to 96,231.60, 144,193.80 and 80,564.40 is: 120,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,231.60 : 144,193.80 = 80,564.40 : x
  2. Step 2: Convert to fraction form
    96,231.60/144,193.80 = 80,564.40/x
  3. Step 3: Cross multiply
    96,231.60x = 144,193.80 × 80,564.40
  4. Step 4: Simplify right side
    96,231.60x = 11,616,886,980.72
  5. Step 5: Solve for x
    x = 11,616,886,980.72/96,231.60
  6. Step 6: Final answer
    x = 120,718.01

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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.