Home / 134,366.48-185,450.28-77,783.12

Finding the Fourth Proportional to 134,366.48, 185,450.28 and 77,783.12

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Solution

The fourth proportional to 134,366.48, 185,450.28 and 77,783.12 is: 107,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,366.48 : 185,450.28 = 77,783.12 : x
  2. Step 2: Convert to fraction form
    134,366.48/185,450.28 = 77,783.12/x
  3. Step 3: Cross multiply
    134,366.48x = 185,450.28 × 77,783.12
  4. Step 4: Simplify right side
    134,366.48x = 14,424,901,383.27
  5. Step 5: Solve for x
    x = 14,424,901,383.27/134,366.48
  6. Step 6: Final answer
    x = 107,354.91

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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.