Home / 144,753.38-216,889.98-102,423.64

Finding the Fourth Proportional to 144,753.38, 216,889.98 and 102,423.64

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Solution

The fourth proportional to 144,753.38, 216,889.98 and 102,423.64 is: 153,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,753.38 : 216,889.98 = 102,423.64 : x
  2. Step 2: Convert to fraction form
    144,753.38/216,889.98 = 102,423.64/x
  3. Step 3: Cross multiply
    144,753.38x = 216,889.98 × 102,423.64
  4. Step 4: Simplify right side
    144,753.38x = 22,214,660,999.55
  5. Step 5: Solve for x
    x = 22,214,660,999.55/144,753.38
  6. Step 6: Final answer
    x = 153,465.58

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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.