Home / 156,719.57-235,172.73-56,887.55

Finding the Fourth Proportional to 156,719.57, 235,172.73 and 56,887.55

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Solution

The fourth proportional to 156,719.57, 235,172.73 and 56,887.55 is: 85,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,719.57 : 235,172.73 = 56,887.55 : x
  2. Step 2: Convert to fraction form
    156,719.57/235,172.73 = 56,887.55/x
  3. Step 3: Cross multiply
    156,719.57x = 235,172.73 × 56,887.55
  4. Step 4: Simplify right side
    156,719.57x = 13,378,400,436.51
  5. Step 5: Solve for x
    x = 13,378,400,436.51/156,719.57
  6. Step 6: Final answer
    x = 85,365.22

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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.