Home / 176,421.12-243,469.44-103,862.40

Finding the Fourth Proportional to 176,421.12, 243,469.44 and 103,862.40

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Solution

The fourth proportional to 176,421.12, 243,469.44 and 103,862.40 is: 143,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,421.12 : 243,469.44 = 103,862.40 : x
  2. Step 2: Convert to fraction form
    176,421.12/243,469.44 = 103,862.40/x
  3. Step 3: Cross multiply
    176,421.12x = 243,469.44 × 103,862.40
  4. Step 4: Simplify right side
    176,421.12x = 25,287,320,365.06
  5. Step 5: Solve for x
    x = 25,287,320,365.06/176,421.12
  6. Step 6: Final answer
    x = 143,335.00

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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.