Home / 174,587.72-261,678.47-99,760.32

Finding the Fourth Proportional to 174,587.72, 261,678.47 and 99,760.32

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Solution

The fourth proportional to 174,587.72, 261,678.47 and 99,760.32 is: 149,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,587.72 : 261,678.47 = 99,760.32 : x
  2. Step 2: Convert to fraction form
    174,587.72/261,678.47 = 99,760.32/x
  3. Step 3: Cross multiply
    174,587.72x = 261,678.47 × 99,760.32
  4. Step 4: Simplify right side
    174,587.72x = 26,105,127,405.51
  5. Step 5: Solve for x
    x = 26,105,127,405.51/174,587.72
  6. Step 6: Final answer
    x = 149,524.42

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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.