Home / 117,823.17-176,667.82-80,428.51

Finding the Fourth Proportional to 117,823.17, 176,667.82 and 80,428.51

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Solution

The fourth proportional to 117,823.17, 176,667.82 and 80,428.51 is: 120,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,823.17 : 176,667.82 = 80,428.51 : x
  2. Step 2: Convert to fraction form
    117,823.17/176,667.82 = 80,428.51/x
  3. Step 3: Cross multiply
    117,823.17x = 176,667.82 × 80,428.51
  4. Step 4: Simplify right side
    117,823.17x = 14,209,129,547.31
  5. Step 5: Solve for x
    x = 14,209,129,547.31/117,823.17
  6. Step 6: Final answer
    x = 120,597.07

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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.