Home / 104,457.45-144,151.28-56,710.80

Finding the Fourth Proportional to 104,457.45, 144,151.28 and 56,710.80

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Solution

The fourth proportional to 104,457.45, 144,151.28 and 56,710.80 is: 78,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.45 : 144,151.28 = 56,710.80 : x
  2. Step 2: Convert to fraction form
    104,457.45/144,151.28 = 56,710.80/x
  3. Step 3: Cross multiply
    104,457.45x = 144,151.28 × 56,710.80
  4. Step 4: Simplify right side
    104,457.45x = 8,174,934,409.82
  5. Step 5: Solve for x
    x = 8,174,934,409.82/104,457.45
  6. Step 6: Final answer
    x = 78,260.90

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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.