Home / 145,577.22-218,292.93-45,736.08

Finding the Fourth Proportional to 145,577.22, 218,292.93 and 45,736.08

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Solution

The fourth proportional to 145,577.22, 218,292.93 and 45,736.08 is: 68,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,577.22 : 218,292.93 = 45,736.08 : x
  2. Step 2: Convert to fraction form
    145,577.22/218,292.93 = 45,736.08/x
  3. Step 3: Cross multiply
    145,577.22x = 218,292.93 × 45,736.08
  4. Step 4: Simplify right side
    145,577.22x = 9,983,862,909.91
  5. Step 5: Solve for x
    x = 9,983,862,909.91/145,577.22
  6. Step 6: Final answer
    x = 68,581.22

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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.