Home / 134,548.34-185,677.65-77,190.17

Finding the Fourth Proportional to 134,548.34, 185,677.65 and 77,190.17

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Solution

The fourth proportional to 134,548.34, 185,677.65 and 77,190.17 is: 106,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,548.34 : 185,677.65 = 77,190.17 : x
  2. Step 2: Convert to fraction form
    134,548.34/185,677.65 = 77,190.17/x
  3. Step 3: Cross multiply
    134,548.34x = 185,677.65 × 77,190.17
  4. Step 4: Simplify right side
    134,548.34x = 14,332,488,440.31
  5. Step 5: Solve for x
    x = 14,332,488,440.31/134,548.34
  6. Step 6: Final answer
    x = 106,522.97

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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.