Home / 262,247.10-393,370.65-84,881.40

Finding the Fourth Proportional to 262,247.10, 393,370.65 and 84,881.40

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Solution

The fourth proportional to 262,247.10, 393,370.65 and 84,881.40 is: 127,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,247.10 : 393,370.65 = 84,881.40 : x
  2. Step 2: Convert to fraction form
    262,247.10/393,370.65 = 84,881.40/x
  3. Step 3: Cross multiply
    262,247.10x = 393,370.65 × 84,881.40
  4. Step 4: Simplify right side
    262,247.10x = 33,389,851,490.91
  5. Step 5: Solve for x
    x = 33,389,851,490.91/262,247.10
  6. Step 6: Final answer
    x = 127,322.10

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1.5x scale

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.