Home / 173,714.15-239,397.90-139,219.70

Finding the Fourth Proportional to 173,714.15, 239,397.90 and 139,219.70

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Solution

The fourth proportional to 173,714.15, 239,397.90 and 139,219.70 is: 191,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,714.15 : 239,397.90 = 139,219.70 : x
  2. Step 2: Convert to fraction form
    173,714.15/239,397.90 = 139,219.70/x
  3. Step 3: Cross multiply
    173,714.15x = 239,397.90 × 139,219.70
  4. Step 4: Simplify right side
    173,714.15x = 33,328,903,818.63
  5. Step 5: Solve for x
    x = 33,328,903,818.63/173,714.15
  6. Step 6: Final answer
    x = 191,860.62

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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.