Home / 133,444.16-184,275.54-85,780.52

Finding the Fourth Proportional to 133,444.16, 184,275.54 and 85,780.52

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Solution

The fourth proportional to 133,444.16, 184,275.54 and 85,780.52 is: 118,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,444.16 : 184,275.54 = 85,780.52 : x
  2. Step 2: Convert to fraction form
    133,444.16/184,275.54 = 85,780.52/x
  3. Step 3: Cross multiply
    133,444.16x = 184,275.54 × 85,780.52
  4. Step 4: Simplify right side
    133,444.16x = 15,807,251,644.48
  5. Step 5: Solve for x
    x = 15,807,251,644.48/133,444.16
  6. Step 6: Final answer
    x = 118,455.93

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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.