Home / 114,673.12-158,243.54-63,689.16

Finding the Fourth Proportional to 114,673.12, 158,243.54 and 63,689.16

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Solution

The fourth proportional to 114,673.12, 158,243.54 and 63,689.16 is: 87,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,673.12 : 158,243.54 = 63,689.16 : x
  2. Step 2: Convert to fraction form
    114,673.12/158,243.54 = 63,689.16/x
  3. Step 3: Cross multiply
    114,673.12x = 158,243.54 × 63,689.16
  4. Step 4: Simplify right side
    114,673.12x = 10,078,398,138.03
  5. Step 5: Solve for x
    x = 10,078,398,138.03/114,673.12
  6. Step 6: Final answer
    x = 87,888.06

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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.