Home / 157,041.16-235,563.66-87,057.16

Finding the Fourth Proportional to 157,041.16, 235,563.66 and 87,057.16

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Solution

The fourth proportional to 157,041.16, 235,563.66 and 87,057.16 is: 130,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,041.16 : 235,563.66 = 87,057.16 : x
  2. Step 2: Convert to fraction form
    157,041.16/235,563.66 = 87,057.16/x
  3. Step 3: Cross multiply
    157,041.16x = 235,563.66 × 87,057.16
  4. Step 4: Simplify right side
    157,041.16x = 20,507,503,238.81
  5. Step 5: Solve for x
    x = 20,507,503,238.81/157,041.16
  6. Step 6: Final answer
    x = 130,586.80

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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.