Home / 157,450.14-235,799.37-87,155.10

Finding the Fourth Proportional to 157,450.14, 235,799.37 and 87,155.10

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Solution

The fourth proportional to 157,450.14, 235,799.37 and 87,155.10 is: 130,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,450.14 : 235,799.37 = 87,155.10 : x
  2. Step 2: Convert to fraction form
    157,450.14/235,799.37 = 87,155.10/x
  3. Step 3: Cross multiply
    157,450.14x = 235,799.37 × 87,155.10
  4. Step 4: Simplify right side
    157,450.14x = 20,551,117,672.29
  5. Step 5: Solve for x
    x = 20,551,117,672.29/157,450.14
  6. Step 6: Final answer
    x = 130,524.61

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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.