Home / 145,656.08-218,495.88-40,475.04

Finding the Fourth Proportional to 145,656.08, 218,495.88 and 40,475.04

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Solution

The fourth proportional to 145,656.08, 218,495.88 and 40,475.04 is: 60,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,656.08 : 218,495.88 = 40,475.04 : x
  2. Step 2: Convert to fraction form
    145,656.08/218,495.88 = 40,475.04/x
  3. Step 3: Cross multiply
    145,656.08x = 218,495.88 × 40,475.04
  4. Step 4: Simplify right side
    145,656.08x = 8,843,629,482.84
  5. Step 5: Solve for x
    x = 8,843,629,482.84/145,656.08
  6. Step 6: Final answer
    x = 60,715.83

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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.