Home / 116,484.48-174,430.26-76,982.40

Finding the Fourth Proportional to 116,484.48, 174,430.26 and 76,982.40

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Solution

The fourth proportional to 116,484.48, 174,430.26 and 76,982.40 is: 115,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,484.48 : 174,430.26 = 76,982.40 : x
  2. Step 2: Convert to fraction form
    116,484.48/174,430.26 = 76,982.40/x
  3. Step 3: Cross multiply
    116,484.48x = 174,430.26 × 76,982.40
  4. Step 4: Simplify right side
    116,484.48x = 13,428,060,047.42
  5. Step 5: Solve for x
    x = 13,428,060,047.42/116,484.48
  6. Step 6: Final answer
    x = 115,277.68

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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.