Home / 276,929.35-382,157.15-156,068.19

Finding the Fourth Proportional to 276,929.35, 382,157.15 and 156,068.19

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Solution

The fourth proportional to 276,929.35, 382,157.15 and 156,068.19 is: 215,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,929.35 : 382,157.15 = 156,068.19 : x
  2. Step 2: Convert to fraction form
    276,929.35/382,157.15 = 156,068.19/x
  3. Step 3: Cross multiply
    276,929.35x = 382,157.15 × 156,068.19
  4. Step 4: Simplify right side
    276,929.35x = 59,642,573,915.72
  5. Step 5: Solve for x
    x = 59,642,573,915.72/276,929.35
  6. Step 6: Final answer
    x = 215,371.08

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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.