Home / 134,909.50-186,172.16-73,653.60

Finding the Fourth Proportional to 134,909.50, 186,172.16 and 73,653.60

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Solution

The fourth proportional to 134,909.50, 186,172.16 and 73,653.60 is: 101,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,909.50 : 186,172.16 = 73,653.60 : x
  2. Step 2: Convert to fraction form
    134,909.50/186,172.16 = 73,653.60/x
  3. Step 3: Cross multiply
    134,909.50x = 186,172.16 × 73,653.60
  4. Step 4: Simplify right side
    134,909.50x = 13,712,249,086.44
  5. Step 5: Solve for x
    x = 13,712,249,086.44/134,909.50
  6. Step 6: Final answer
    x = 101,640.35

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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.