Home / 104,275.15-143,900.45-56,529.25

Finding the Fourth Proportional to 104,275.15, 143,900.45 and 56,529.25

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Solution

The fourth proportional to 104,275.15, 143,900.45 and 56,529.25 is: 78,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,275.15 : 143,900.45 = 56,529.25 : x
  2. Step 2: Convert to fraction form
    104,275.15/143,900.45 = 56,529.25/x
  3. Step 3: Cross multiply
    104,275.15x = 143,900.45 × 56,529.25
  4. Step 4: Simplify right side
    104,275.15x = 8,134,584,513.16
  5. Step 5: Solve for x
    x = 8,134,584,513.16/104,275.15
  6. Step 6: Final answer
    x = 78,010.77

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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.