Home / 156,719.28-235,172.28-56,887.24

Finding the Fourth Proportional to 156,719.28, 235,172.28 and 56,887.24

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Solution

The fourth proportional to 156,719.28, 235,172.28 and 56,887.24 is: 85,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,719.28 : 235,172.28 = 56,887.24 : x
  2. Step 2: Convert to fraction form
    156,719.28/235,172.28 = 56,887.24/x
  3. Step 3: Cross multiply
    156,719.28x = 235,172.28 × 56,887.24
  4. Step 4: Simplify right side
    156,719.28x = 13,378,301,933.71
  5. Step 5: Solve for x
    x = 13,378,301,933.71/156,719.28
  6. Step 6: Final answer
    x = 85,364.75

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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.