Home / 124,425.40-186,638.10-93,321.40

Finding the Fourth Proportional to 124,425.40, 186,638.10 and 93,321.40

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Solution

The fourth proportional to 124,425.40, 186,638.10 and 93,321.40 is: 139,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425.40 : 186,638.10 = 93,321.40 : x
  2. Step 2: Convert to fraction form
    124,425.40/186,638.10 = 93,321.40/x
  3. Step 3: Cross multiply
    124,425.40x = 186,638.10 × 93,321.40
  4. Step 4: Simplify right side
    124,425.40x = 17,417,328,785.34
  5. Step 5: Solve for x
    x = 17,417,328,785.34/124,425.40
  6. Step 6: Final answer
    x = 139,982.10

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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.