Home / 145,130.16-217,712.52-88,944.24

Finding the Fourth Proportional to 145,130.16, 217,712.52 and 88,944.24

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Solution

The fourth proportional to 145,130.16, 217,712.52 and 88,944.24 is: 133,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,130.16 : 217,712.52 = 88,944.24 : x
  2. Step 2: Convert to fraction form
    145,130.16/217,712.52 = 88,944.24/x
  3. Step 3: Cross multiply
    145,130.16x = 217,712.52 × 88,944.24
  4. Step 4: Simplify right side
    145,130.16x = 19,364,274,629.88
  5. Step 5: Solve for x
    x = 19,364,274,629.88/145,130.16
  6. Step 6: Final answer
    x = 133,426.95

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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.