Home / 162,764.48-224,535.75-105,387.32

Finding the Fourth Proportional to 162,764.48, 224,535.75 and 105,387.32

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Solution

The fourth proportional to 162,764.48, 224,535.75 and 105,387.32 is: 145,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,764.48 : 224,535.75 = 105,387.32 : x
  2. Step 2: Convert to fraction form
    162,764.48/224,535.75 = 105,387.32/x
  3. Step 3: Cross multiply
    162,764.48x = 224,535.75 × 105,387.32
  4. Step 4: Simplify right side
    162,764.48x = 23,663,219,814.01
  5. Step 5: Solve for x
    x = 23,663,219,814.01/162,764.48
  6. Step 6: Final answer
    x = 145,383.20

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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.