Home / 176,335.25-243,347.45-103,743.23

Finding the Fourth Proportional to 176,335.25, 243,347.45 and 103,743.23

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Solution

The fourth proportional to 176,335.25, 243,347.45 and 103,743.23 is: 143,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,335.25 : 243,347.45 = 103,743.23 : x
  2. Step 2: Convert to fraction form
    176,335.25/243,347.45 = 103,743.23/x
  3. Step 3: Cross multiply
    176,335.25x = 243,347.45 × 103,743.23
  4. Step 4: Simplify right side
    176,335.25x = 25,245,648,739.81
  5. Step 5: Solve for x
    x = 25,245,648,739.81/176,335.25
  6. Step 6: Final answer
    x = 143,168.48

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1.5x scale

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.