Home / 219,018.62-302,246.14-118,416.62

Finding the Fourth Proportional to 219,018.62, 302,246.14 and 118,416.62

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Solution

The fourth proportional to 219,018.62, 302,246.14 and 118,416.62 is: 163,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,018.62 : 302,246.14 = 118,416.62 : x
  2. Step 2: Convert to fraction form
    219,018.62/302,246.14 = 118,416.62/x
  3. Step 3: Cross multiply
    219,018.62x = 302,246.14 × 118,416.62
  4. Step 4: Simplify right side
    219,018.62x = 35,790,966,306.85
  5. Step 5: Solve for x
    x = 35,790,966,306.85/219,018.62
  6. Step 6: Final answer
    x = 163,415.18

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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.