Home / 176,547.05-243,633.91-100,080.57

Finding the Fourth Proportional to 176,547.05, 243,633.91 and 100,080.57

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Solution

The fourth proportional to 176,547.05, 243,633.91 and 100,080.57 is: 138,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,547.05 : 243,633.91 = 100,080.57 : x
  2. Step 2: Convert to fraction form
    176,547.05/243,633.91 = 100,080.57/x
  3. Step 3: Cross multiply
    176,547.05x = 243,633.91 × 100,080.57
  4. Step 4: Simplify right side
    176,547.05x = 24,383,021,172.20
  5. Step 5: Solve for x
    x = 24,383,021,172.20/176,547.05
  6. Step 6: Final answer
    x = 138,110.61

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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.