Home / 144,022.40-216,033.60-96,783.20

Finding the Fourth Proportional to 144,022.40, 216,033.60 and 96,783.20

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Solution

The fourth proportional to 144,022.40, 216,033.60 and 96,783.20 is: 145,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.40 : 216,033.60 = 96,783.20 : x
  2. Step 2: Convert to fraction form
    144,022.40/216,033.60 = 96,783.20/x
  3. Step 3: Cross multiply
    144,022.40x = 216,033.60 × 96,783.20
  4. Step 4: Simplify right side
    144,022.40x = 20,908,423,115.52
  5. Step 5: Solve for x
    x = 20,908,423,115.52/144,022.40
  6. Step 6: Final answer
    x = 145,174.80

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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.