Home / 147,382.22-221,051.80-72,482.26

Finding the Fourth Proportional to 147,382.22, 221,051.80 and 72,482.26

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Solution

The fourth proportional to 147,382.22, 221,051.80 and 72,482.26 is: 108,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,382.22 : 221,051.80 = 72,482.26 : x
  2. Step 2: Convert to fraction form
    147,382.22/221,051.80 = 72,482.26/x
  3. Step 3: Cross multiply
    147,382.22x = 221,051.80 × 72,482.26
  4. Step 4: Simplify right side
    147,382.22x = 16,022,334,041.07
  5. Step 5: Solve for x
    x = 16,022,334,041.07/147,382.22
  6. Step 6: Final answer
    x = 108,712.80

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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.