Home / 230,547.06-318,180.69-135,134.46

Finding the Fourth Proportional to 230,547.06, 318,180.69 and 135,134.46

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Solution

The fourth proportional to 230,547.06, 318,180.69 and 135,134.46 is: 186,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547.06 : 318,180.69 = 135,134.46 : x
  2. Step 2: Convert to fraction form
    230,547.06/318,180.69 = 135,134.46/x
  3. Step 3: Cross multiply
    230,547.06x = 318,180.69 × 135,134.46
  4. Step 4: Simplify right side
    230,547.06x = 42,997,175,725.58
  5. Step 5: Solve for x
    x = 42,997,175,725.58/230,547.06
  6. Step 6: Final answer
    x = 186,500.65

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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.