Home / 162,743.16-224,435.66-111,665.76

Finding the Fourth Proportional to 162,743.16, 224,435.66 and 111,665.76

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Solution

The fourth proportional to 162,743.16, 224,435.66 and 111,665.76 is: 153,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,743.16 : 224,435.66 = 111,665.76 : x
  2. Step 2: Convert to fraction form
    162,743.16/224,435.66 = 111,665.76/x
  3. Step 3: Cross multiply
    162,743.16x = 224,435.66 × 111,665.76
  4. Step 4: Simplify right side
    162,743.16x = 25,061,778,545.00
  5. Step 5: Solve for x
    x = 25,061,778,545.00/162,743.16
  6. Step 6: Final answer
    x = 153,995.89

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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.