Home / 145,669.08-218,322.12-52,071.96

Finding the Fourth Proportional to 145,669.08, 218,322.12 and 52,071.96

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Solution

The fourth proportional to 145,669.08, 218,322.12 and 52,071.96 is: 78,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,669.08 : 218,322.12 = 52,071.96 : x
  2. Step 2: Convert to fraction form
    145,669.08/218,322.12 = 52,071.96/x
  3. Step 3: Cross multiply
    145,669.08x = 218,322.12 × 52,071.96
  4. Step 4: Simplify right side
    145,669.08x = 11,368,460,699.76
  5. Step 5: Solve for x
    x = 11,368,460,699.76/145,669.08
  6. Step 6: Final answer
    x = 78,043.06

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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.