Home / 104,085.61-156,129.12-29,206.17

Finding the Fourth Proportional to 104,085.61, 156,129.12 and 29,206.17

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Solution

The fourth proportional to 104,085.61, 156,129.12 and 29,206.17 is: 43,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,085.61 : 156,129.12 = 29,206.17 : x
  2. Step 2: Convert to fraction form
    104,085.61/156,129.12 = 29,206.17/x
  3. Step 3: Cross multiply
    104,085.61x = 156,129.12 × 29,206.17
  4. Step 4: Simplify right side
    104,085.61x = 4,559,933,620.67
  5. Step 5: Solve for x
    x = 4,559,933,620.67/104,085.61
  6. Step 6: Final answer
    x = 43,809.45

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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.