Home / 205,143.18-283,111.86-114,516.84

Finding the Fourth Proportional to 205,143.18, 283,111.86 and 114,516.84

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Solution

The fourth proportional to 205,143.18, 283,111.86 and 114,516.84 is: 158,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,143.18 : 283,111.86 = 114,516.84 : x
  2. Step 2: Convert to fraction form
    205,143.18/283,111.86 = 114,516.84/x
  3. Step 3: Cross multiply
    205,143.18x = 283,111.86 × 114,516.84
  4. Step 4: Simplify right side
    205,143.18x = 32,421,075,573.72
  5. Step 5: Solve for x
    x = 32,421,075,573.72/205,143.18
  6. Step 6: Final answer
    x = 158,041.21

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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.