Home / 219,538.17-302,962.59-118,936.17

Finding the Fourth Proportional to 219,538.17, 302,962.59 and 118,936.17

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Solution

The fourth proportional to 219,538.17, 302,962.59 and 118,936.17 is: 164,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.17 : 302,962.59 = 118,936.17 : x
  2. Step 2: Convert to fraction form
    219,538.17/302,962.59 = 118,936.17/x
  3. Step 3: Cross multiply
    219,538.17x = 302,962.59 × 118,936.17
  4. Step 4: Simplify right side
    219,538.17x = 36,033,210,107.88
  5. Step 5: Solve for x
    x = 36,033,210,107.88/219,538.17
  6. Step 6: Final answer
    x = 164,131.87

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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.