Home / 122,700.03-169,256.90-73,628.96

Finding the Fourth Proportional to 122,700.03, 169,256.90 and 73,628.96

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Solution

The fourth proportional to 122,700.03, 169,256.90 and 73,628.96 is: 101,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,700.03 : 169,256.90 = 73,628.96 : x
  2. Step 2: Convert to fraction form
    122,700.03/169,256.90 = 73,628.96/x
  3. Step 3: Cross multiply
    122,700.03x = 169,256.90 × 73,628.96
  4. Step 4: Simplify right side
    122,700.03x = 12,462,209,151.68
  5. Step 5: Solve for x
    x = 12,462,209,151.68/122,700.03
  6. Step 6: Final answer
    x = 101,566.47

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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.