Home / 120,160.74-180,348.04-64,047.18

Finding the Fourth Proportional to 120,160.74, 180,348.04 and 64,047.18

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Solution

The fourth proportional to 120,160.74, 180,348.04 and 64,047.18 is: 96,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,160.74 : 180,348.04 = 64,047.18 : x
  2. Step 2: Convert to fraction form
    120,160.74/180,348.04 = 64,047.18/x
  3. Step 3: Cross multiply
    120,160.74x = 180,348.04 × 64,047.18
  4. Step 4: Simplify right side
    120,160.74x = 11,550,783,776.63
  5. Step 5: Solve for x
    x = 11,550,783,776.63/120,160.74
  6. Step 6: Final answer
    x = 96,127.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.