Home / 614,111.15-921,039.66-164,725.18

Finding the Fourth Proportional to 614,111.15, 921,039.66 and 164,725.18

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Solution

The fourth proportional to 614,111.15, 921,039.66 and 164,725.18 is: 247,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,111.15 : 921,039.66 = 164,725.18 : x
  2. Step 2: Convert to fraction form
    614,111.15/921,039.66 = 164,725.18/x
  3. Step 3: Cross multiply
    614,111.15x = 921,039.66 × 164,725.18
  4. Step 4: Simplify right side
    614,111.15x = 151,718,421,478.04
  5. Step 5: Solve for x
    x = 151,718,421,478.04/614,111.15
  6. Step 6: Final answer
    x = 247,053.68

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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.