Home / 114,386.49-171,555.33-72,210.19

Finding the Fourth Proportional to 114,386.49, 171,555.33 and 72,210.19

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Solution

The fourth proportional to 114,386.49, 171,555.33 and 72,210.19 is: 108,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,386.49 : 171,555.33 = 72,210.19 : x
  2. Step 2: Convert to fraction form
    114,386.49/171,555.33 = 72,210.19/x
  3. Step 3: Cross multiply
    114,386.49x = 171,555.33 × 72,210.19
  4. Step 4: Simplify right side
    114,386.49x = 12,388,042,974.81
  5. Step 5: Solve for x
    x = 12,388,042,974.81/114,386.49
  6. Step 6: Final answer
    x = 108,299.88

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1.5x scale

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.