Home / 103,455.16-142,784.76-96,701.52

Finding the Fourth Proportional to 103,455.16, 142,784.76 and 96,701.52

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Solution

The fourth proportional to 103,455.16, 142,784.76 and 96,701.52 is: 133,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,455.16 : 142,784.76 = 96,701.52 : x
  2. Step 2: Convert to fraction form
    103,455.16/142,784.76 = 96,701.52/x
  3. Step 3: Cross multiply
    103,455.16x = 142,784.76 × 96,701.52
  4. Step 4: Simplify right side
    103,455.16x = 13,807,503,324.84
  5. Step 5: Solve for x
    x = 13,807,503,324.84/103,455.16
  6. Step 6: Final answer
    x = 133,463.65

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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.