Home / 175,458.39-263,160.10-57,128.93

Finding the Fourth Proportional to 175,458.39, 263,160.10 and 57,128.93

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Solution

The fourth proportional to 175,458.39, 263,160.10 and 57,128.93 is: 85,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,458.39 : 263,160.10 = 57,128.93 : x
  2. Step 2: Convert to fraction form
    175,458.39/263,160.10 = 57,128.93/x
  3. Step 3: Cross multiply
    175,458.39x = 263,160.10 × 57,128.93
  4. Step 4: Simplify right side
    175,458.39x = 15,034,054,931.69
  5. Step 5: Solve for x
    x = 15,034,054,931.69/175,458.39
  6. Step 6: Final answer
    x = 85,684.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.