Home / 168,056.04-231,776.10-100,975.08

Finding the Fourth Proportional to 168,056.04, 231,776.10 and 100,975.08

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Solution

The fourth proportional to 168,056.04, 231,776.10 and 100,975.08 is: 139,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,056.04 : 231,776.10 = 100,975.08 : x
  2. Step 2: Convert to fraction form
    168,056.04/231,776.10 = 100,975.08/x
  3. Step 3: Cross multiply
    168,056.04x = 231,776.10 × 100,975.08
  4. Step 4: Simplify right side
    168,056.04x = 23,403,610,239.59
  5. Step 5: Solve for x
    x = 23,403,610,239.59/168,056.04
  6. Step 6: Final answer
    x = 139,260.75

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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.