Home / 144,818.28-199,639.80-101,666.37

Finding the Fourth Proportional to 144,818.28, 199,639.80 and 101,666.37

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Solution

The fourth proportional to 144,818.28, 199,639.80 and 101,666.37 is: 140,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,818.28 : 199,639.80 = 101,666.37 : x
  2. Step 2: Convert to fraction form
    144,818.28/199,639.80 = 101,666.37/x
  3. Step 3: Cross multiply
    144,818.28x = 199,639.80 × 101,666.37
  4. Step 4: Simplify right side
    144,818.28x = 20,296,653,773.53
  5. Step 5: Solve for x
    x = 20,296,653,773.53/144,818.28
  6. Step 6: Final answer
    x = 140,152.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.