Home / 103,758.06-143,184.60-58,436.13

Finding the Fourth Proportional to 103,758.06, 143,184.60 and 58,436.13

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Solution

The fourth proportional to 103,758.06, 143,184.60 and 58,436.13 is: 80,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,758.06 : 143,184.60 = 58,436.13 : x
  2. Step 2: Convert to fraction form
    103,758.06/143,184.60 = 58,436.13/x
  3. Step 3: Cross multiply
    103,758.06x = 143,184.60 × 58,436.13
  4. Step 4: Simplify right side
    103,758.06x = 8,367,153,899.60
  5. Step 5: Solve for x
    x = 8,367,153,899.60/103,758.06
  6. Step 6: Final answer
    x = 80,641.00

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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.