Home / 157,064.70-235,507.56-107,205.18

Finding the Fourth Proportional to 157,064.70, 235,507.56 and 107,205.18

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Solution

The fourth proportional to 157,064.70, 235,507.56 and 107,205.18 is: 160,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,064.70 : 235,507.56 = 107,205.18 : x
  2. Step 2: Convert to fraction form
    157,064.70/235,507.56 = 107,205.18/x
  3. Step 3: Cross multiply
    157,064.70x = 235,507.56 × 107,205.18
  4. Step 4: Simplify right side
    157,064.70x = 25,247,630,361.16
  5. Step 5: Solve for x
    x = 25,247,630,361.16/157,064.70
  6. Step 6: Final answer
    x = 160,746.69

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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.