Home / 157,003.18-235,512.90-51,830.32

Finding the Fourth Proportional to 157,003.18, 235,512.90 and 51,830.32

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Solution

The fourth proportional to 157,003.18, 235,512.90 and 51,830.32 is: 77,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,003.18 : 235,512.90 = 51,830.32 : x
  2. Step 2: Convert to fraction form
    157,003.18/235,512.90 = 51,830.32/x
  3. Step 3: Cross multiply
    157,003.18x = 235,512.90 × 51,830.32
  4. Step 4: Simplify right side
    157,003.18x = 12,206,708,971.13
  5. Step 5: Solve for x
    x = 12,206,708,971.13/157,003.18
  6. Step 6: Final answer
    x = 77,748.16

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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.