Home / 145,736.84-218,605.26-56,928.07

Finding the Fourth Proportional to 145,736.84, 218,605.26 and 56,928.07

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Solution

The fourth proportional to 145,736.84, 218,605.26 and 56,928.07 is: 85,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,736.84 : 218,605.26 = 56,928.07 : x
  2. Step 2: Convert to fraction form
    145,736.84/218,605.26 = 56,928.07/x
  3. Step 3: Cross multiply
    145,736.84x = 218,605.26 × 56,928.07
  4. Step 4: Simplify right side
    145,736.84x = 12,444,774,320.40
  5. Step 5: Solve for x
    x = 12,444,774,320.40/145,736.84
  6. Step 6: Final answer
    x = 85,392.10

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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.