Home / 133,774.17-184,601.28-76,402.14

Finding the Fourth Proportional to 133,774.17, 184,601.28 and 76,402.14

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Solution

The fourth proportional to 133,774.17, 184,601.28 and 76,402.14 is: 105,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774.17 : 184,601.28 = 76,402.14 : x
  2. Step 2: Convert to fraction form
    133,774.17/184,601.28 = 76,402.14/x
  3. Step 3: Cross multiply
    133,774.17x = 184,601.28 × 76,402.14
  4. Step 4: Simplify right side
    133,774.17x = 14,103,932,838.74
  5. Step 5: Solve for x
    x = 14,103,932,838.74/133,774.17
  6. Step 6: Final answer
    x = 105,430.91

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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.