Home / 103,943.08-143,441.38-56,196.46

Finding the Fourth Proportional to 103,943.08, 143,441.38 and 56,196.46

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Solution

The fourth proportional to 103,943.08, 143,441.38 and 56,196.46 is: 77,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.08 : 143,441.38 = 56,196.46 : x
  2. Step 2: Convert to fraction form
    103,943.08/143,441.38 = 56,196.46/x
  3. Step 3: Cross multiply
    103,943.08x = 143,441.38 × 56,196.46
  4. Step 4: Simplify right side
    103,943.08x = 8,060,897,773.51
  5. Step 5: Solve for x
    x = 8,060,897,773.51/103,943.08
  6. Step 6: Final answer
    x = 77,551.08

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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.