Home / 185,904.68-256,547.78-105,347.54

Finding the Fourth Proportional to 185,904.68, 256,547.78 and 105,347.54

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Solution

The fourth proportional to 185,904.68, 256,547.78 and 105,347.54 is: 145,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,904.68 : 256,547.78 = 105,347.54 : x
  2. Step 2: Convert to fraction form
    185,904.68/256,547.78 = 105,347.54/x
  3. Step 3: Cross multiply
    185,904.68x = 256,547.78 × 105,347.54
  4. Step 4: Simplify right side
    185,904.68x = 27,026,677,515.46
  5. Step 5: Solve for x
    x = 27,026,677,515.46/185,904.68
  6. Step 6: Final answer
    x = 145,379.22

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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.