Home / 274,317.84-378,559.19-153,461.16

Finding the Fourth Proportional to 274,317.84, 378,559.19 and 153,461.16

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Solution

The fourth proportional to 274,317.84, 378,559.19 and 153,461.16 is: 211,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,317.84 : 378,559.19 = 153,461.16 : x
  2. Step 2: Convert to fraction form
    274,317.84/378,559.19 = 153,461.16/x
  3. Step 3: Cross multiply
    274,317.84x = 378,559.19 × 153,461.16
  4. Step 4: Simplify right side
    274,317.84x = 58,094,132,809.71
  5. Step 5: Solve for x
    x = 58,094,132,809.71/274,317.84
  6. Step 6: Final answer
    x = 211,776.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.