Home / 119,038.48-164,272.62-65,324.40

Finding the Fourth Proportional to 119,038.48, 164,272.62 and 65,324.40

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Solution

The fourth proportional to 119,038.48, 164,272.62 and 65,324.40 is: 90,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,038.48 : 164,272.62 = 65,324.40 : x
  2. Step 2: Convert to fraction form
    119,038.48/164,272.62 = 65,324.40/x
  3. Step 3: Cross multiply
    119,038.48x = 164,272.62 × 65,324.40
  4. Step 4: Simplify right side
    119,038.48x = 10,731,009,966.87
  5. Step 5: Solve for x
    x = 10,731,009,966.87/119,038.48
  6. Step 6: Final answer
    x = 90,147.40

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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.