Home / 274,341.10-378,605.43-153,475.18

Finding the Fourth Proportional to 274,341.10, 378,605.43 and 153,475.18

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Solution

The fourth proportional to 274,341.10, 378,605.43 and 153,475.18 is: 211,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,341.10 : 378,605.43 = 153,475.18 : x
  2. Step 2: Convert to fraction form
    274,341.10/378,605.43 = 153,475.18/x
  3. Step 3: Cross multiply
    274,341.10x = 378,605.43 × 153,475.18
  4. Step 4: Simplify right side
    274,341.10x = 58,106,536,420.72
  5. Step 5: Solve for x
    x = 58,106,536,420.72/274,341.10
  6. Step 6: Final answer
    x = 211,803.98

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1.5x scale

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.