Home / 162,817.48-224,688.12-99,155.28

Finding the Fourth Proportional to 162,817.48, 224,688.12 and 99,155.28

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Solution

The fourth proportional to 162,817.48, 224,688.12 and 99,155.28 is: 136,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.48 : 224,688.12 = 99,155.28 : x
  2. Step 2: Convert to fraction form
    162,817.48/224,688.12 = 99,155.28/x
  3. Step 3: Cross multiply
    162,817.48x = 224,688.12 × 99,155.28
  4. Step 4: Simplify right side
    162,817.48x = 22,279,013,451.27
  5. Step 5: Solve for x
    x = 22,279,013,451.27/162,817.48
  6. Step 6: Final answer
    x = 136,834.28

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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.