Home / 312,037.14-430,587.53-176,083.72

Finding the Fourth Proportional to 312,037.14, 430,587.53 and 176,083.72

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Solution

The fourth proportional to 312,037.14, 430,587.53 and 176,083.72 is: 242,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,037.14 : 430,587.53 = 176,083.72 : x
  2. Step 2: Convert to fraction form
    312,037.14/430,587.53 = 176,083.72/x
  3. Step 3: Cross multiply
    312,037.14x = 430,587.53 × 176,083.72
  4. Step 4: Simplify right side
    312,037.14x = 75,819,455,936.34
  5. Step 5: Solve for x
    x = 75,819,455,936.34/312,037.14
  6. Step 6: Final answer
    x = 242,982.16

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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.