Home / 155,930.40-233,895.60-96,881.40

Finding the Fourth Proportional to 155,930.40, 233,895.60 and 96,881.40

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Solution

The fourth proportional to 155,930.40, 233,895.60 and 96,881.40 is: 145,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,930.40 : 233,895.60 = 96,881.40 : x
  2. Step 2: Convert to fraction form
    155,930.40/233,895.60 = 96,881.40/x
  3. Step 3: Cross multiply
    155,930.40x = 233,895.60 × 96,881.40
  4. Step 4: Simplify right side
    155,930.40x = 22,660,133,181.84
  5. Step 5: Solve for x
    x = 22,660,133,181.84/155,930.40
  6. Step 6: Final answer
    x = 145,322.10

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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.