Home / 209,536.84-289,030.26-127,827.76

Finding the Fourth Proportional to 209,536.84, 289,030.26 and 127,827.76

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Solution

The fourth proportional to 209,536.84, 289,030.26 and 127,827.76 is: 176,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,536.84 : 289,030.26 = 127,827.76 : x
  2. Step 2: Convert to fraction form
    209,536.84/289,030.26 = 127,827.76/x
  3. Step 3: Cross multiply
    209,536.84x = 289,030.26 × 127,827.76
  4. Step 4: Simplify right side
    209,536.84x = 36,946,090,708.02
  5. Step 5: Solve for x
    x = 36,946,090,708.02/209,536.84
  6. Step 6: Final answer
    x = 176,322.65

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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.