Home / 116,164.29-160,359.84-89,297.40

Finding the Fourth Proportional to 116,164.29, 160,359.84 and 89,297.40

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Solution

The fourth proportional to 116,164.29, 160,359.84 and 89,297.40 is: 123,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,164.29 : 160,359.84 = 89,297.40 : x
  2. Step 2: Convert to fraction form
    116,164.29/160,359.84 = 89,297.40/x
  3. Step 3: Cross multiply
    116,164.29x = 160,359.84 × 89,297.40
  4. Step 4: Simplify right side
    116,164.29x = 14,319,716,776.42
  5. Step 5: Solve for x
    x = 14,319,716,776.42/116,164.29
  6. Step 6: Final answer
    x = 123,271.25

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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.