Home / 279,683.34-385,965.66-158,827.14

Finding the Fourth Proportional to 279,683.34, 385,965.66 and 158,827.14

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Solution

The fourth proportional to 279,683.34, 385,965.66 and 158,827.14 is: 219,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,683.34 : 385,965.66 = 158,827.14 : x
  2. Step 2: Convert to fraction form
    279,683.34/385,965.66 = 158,827.14/x
  3. Step 3: Cross multiply
    279,683.34x = 385,965.66 × 158,827.14
  4. Step 4: Simplify right side
    279,683.34x = 61,301,821,916.01
  5. Step 5: Solve for x
    x = 61,301,821,916.01/279,683.34
  6. Step 6: Final answer
    x = 219,182.96

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1.5x scale

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.