Home / 170,921.07-256,374.18-52,587.36

Finding the Fourth Proportional to 170,921.07, 256,374.18 and 52,587.36

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Solution

The fourth proportional to 170,921.07, 256,374.18 and 52,587.36 is: 78,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,921.07 : 256,374.18 = 52,587.36 : x
  2. Step 2: Convert to fraction form
    170,921.07/256,374.18 = 52,587.36/x
  3. Step 3: Cross multiply
    170,921.07x = 256,374.18 × 52,587.36
  4. Step 4: Simplify right side
    170,921.07x = 13,482,041,298.36
  5. Step 5: Solve for x
    x = 13,482,041,298.36/170,921.07
  6. Step 6: Final answer
    x = 78,878.76

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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.