Home / 151,920.90-228,024.32-77,094.72

Finding the Fourth Proportional to 151,920.90, 228,024.32 and 77,094.72

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Solution

The fourth proportional to 151,920.90, 228,024.32 and 77,094.72 is: 115,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,920.90 : 228,024.32 = 77,094.72 : x
  2. Step 2: Convert to fraction form
    151,920.90/228,024.32 = 77,094.72/x
  3. Step 3: Cross multiply
    151,920.90x = 228,024.32 × 77,094.72
  4. Step 4: Simplify right side
    151,920.90x = 17,579,470,718.12
  5. Step 5: Solve for x
    x = 17,579,470,718.12/151,920.90
  6. Step 6: Final answer
    x = 115,714.63

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1.5x scale

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.