Home / 136,688.13-205,038.37-41,911.40

Finding the Fourth Proportional to 136,688.13, 205,038.37 and 41,911.40

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Solution

The fourth proportional to 136,688.13, 205,038.37 and 41,911.40 is: 62,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,688.13 : 205,038.37 = 41,911.40 : x
  2. Step 2: Convert to fraction form
    136,688.13/205,038.37 = 41,911.40/x
  3. Step 3: Cross multiply
    136,688.13x = 205,038.37 × 41,911.40
  4. Step 4: Simplify right side
    136,688.13x = 8,593,443,905.67
  5. Step 5: Solve for x
    x = 8,593,443,905.67/136,688.13
  6. Step 6: Final answer
    x = 62,868.98

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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.