Home / 120,946.08-166,909.20-73,208.16

Finding the Fourth Proportional to 120,946.08, 166,909.20 and 73,208.16

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Solution

The fourth proportional to 120,946.08, 166,909.20 and 73,208.16 is: 101,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,946.08 : 166,909.20 = 73,208.16 : x
  2. Step 2: Convert to fraction form
    120,946.08/166,909.20 = 73,208.16/x
  3. Step 3: Cross multiply
    120,946.08x = 166,909.20 × 73,208.16
  4. Step 4: Simplify right side
    120,946.08x = 12,219,115,419.07
  5. Step 5: Solve for x
    x = 12,219,115,419.07/120,946.08
  6. Step 6: Final answer
    x = 101,029.45

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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.