Home / 219,963.11-303,686.66-151,171.07

Finding the Fourth Proportional to 219,963.11, 303,686.66 and 151,171.07

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Solution

The fourth proportional to 219,963.11, 303,686.66 and 151,171.07 is: 208,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,963.11 : 303,686.66 = 151,171.07 : x
  2. Step 2: Convert to fraction form
    219,963.11/303,686.66 = 151,171.07/x
  3. Step 3: Cross multiply
    219,963.11x = 303,686.66 × 151,171.07
  4. Step 4: Simplify right side
    219,963.11x = 45,908,636,196.42
  5. Step 5: Solve for x
    x = 45,908,636,196.42/219,963.11
  6. Step 6: Final answer
    x = 208,710.62

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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.