Home / 168,820.41-233,043.90-105,189.64

Finding the Fourth Proportional to 168,820.41, 233,043.90 and 105,189.64

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Solution

The fourth proportional to 168,820.41, 233,043.90 and 105,189.64 is: 145,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,820.41 : 233,043.90 = 105,189.64 : x
  2. Step 2: Convert to fraction form
    168,820.41/233,043.90 = 105,189.64/x
  3. Step 3: Cross multiply
    168,820.41x = 233,043.90 × 105,189.64
  4. Step 4: Simplify right side
    168,820.41x = 24,513,803,945.20
  5. Step 5: Solve for x
    x = 24,513,803,945.20/168,820.41
  6. Step 6: Final answer
    x = 145,206.40

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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.