Home / 156,541.75-216,027.62-89,475.19

Finding the Fourth Proportional to 156,541.75, 216,027.62 and 89,475.19

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Solution

The fourth proportional to 156,541.75, 216,027.62 and 89,475.19 is: 123,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,541.75 : 216,027.62 = 89,475.19 : x
  2. Step 2: Convert to fraction form
    156,541.75/216,027.62 = 89,475.19/x
  3. Step 3: Cross multiply
    156,541.75x = 216,027.62 × 89,475.19
  4. Step 4: Simplify right side
    156,541.75x = 19,329,112,344.75
  5. Step 5: Solve for x
    x = 19,329,112,344.75/156,541.75
  6. Step 6: Final answer
    x = 123,475.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.