Home / 157,312.40-235,927.32-107,383.28

Finding the Fourth Proportional to 157,312.40, 235,927.32 and 107,383.28

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Solution

The fourth proportional to 157,312.40, 235,927.32 and 107,383.28 is: 161,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,312.40 : 235,927.32 = 107,383.28 : x
  2. Step 2: Convert to fraction form
    157,312.40/235,927.32 = 107,383.28/x
  3. Step 3: Cross multiply
    157,312.40x = 235,927.32 × 107,383.28
  4. Step 4: Simplify right side
    157,312.40x = 25,334,649,463.21
  5. Step 5: Solve for x
    x = 25,334,649,463.21/157,312.40
  6. Step 6: Final answer
    x = 161,046.74

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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.