Home / 176,547.16-243,634.06-100,080.68

Finding the Fourth Proportional to 176,547.16, 243,634.06 and 100,080.68

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Solution

The fourth proportional to 176,547.16, 243,634.06 and 100,080.68 is: 138,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,547.16 : 243,634.06 = 100,080.68 : x
  2. Step 2: Convert to fraction form
    176,547.16/243,634.06 = 100,080.68/x
  3. Step 3: Cross multiply
    176,547.16x = 243,634.06 × 100,080.68
  4. Step 4: Simplify right side
    176,547.16x = 24,383,061,434.39
  5. Step 5: Solve for x
    x = 24,383,061,434.39/176,547.16
  6. Step 6: Final answer
    x = 138,110.76

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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.