Home / 134,209.18-185,208.15-73,783.63

Finding the Fourth Proportional to 134,209.18, 185,208.15 and 73,783.63

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Solution

The fourth proportional to 134,209.18, 185,208.15 and 73,783.63 is: 101,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.18 : 185,208.15 = 73,783.63 : x
  2. Step 2: Convert to fraction form
    134,209.18/185,208.15 = 73,783.63/x
  3. Step 3: Cross multiply
    134,209.18x = 185,208.15 × 73,783.63
  4. Step 4: Simplify right side
    134,209.18x = 13,665,329,612.58
  5. Step 5: Solve for x
    x = 13,665,329,612.58/134,209.18
  6. Step 6: Final answer
    x = 101,821.12

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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.