Home / 136,182.84-204,307.06-42,688.59

Finding the Fourth Proportional to 136,182.84, 204,307.06 and 42,688.59

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Solution

The fourth proportional to 136,182.84, 204,307.06 and 42,688.59 is: 64,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,182.84 : 204,307.06 = 42,688.59 : x
  2. Step 2: Convert to fraction form
    136,182.84/204,307.06 = 42,688.59/x
  3. Step 3: Cross multiply
    136,182.84x = 204,307.06 × 42,688.59
  4. Step 4: Simplify right side
    136,182.84x = 8,721,581,249.45
  5. Step 5: Solve for x
    x = 8,721,581,249.45/136,182.84
  6. Step 6: Final answer
    x = 64,043.17

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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.