Home / 161,459.90-242,069.14-111,397.12

Finding the Fourth Proportional to 161,459.90, 242,069.14 and 111,397.12

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Solution

The fourth proportional to 161,459.90, 242,069.14 and 111,397.12 is: 167,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,459.90 : 242,069.14 = 111,397.12 : x
  2. Step 2: Convert to fraction form
    161,459.90/242,069.14 = 111,397.12/x
  3. Step 3: Cross multiply
    161,459.90x = 242,069.14 × 111,397.12
  4. Step 4: Simplify right side
    161,459.90x = 26,965,805,036.88
  5. Step 5: Solve for x
    x = 26,965,805,036.88/161,459.90
  6. Step 6: Final answer
    x = 167,012.40

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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.