Home / 256,048.04-384,090.51-98,276.49

Finding the Fourth Proportional to 256,048.04, 384,090.51 and 98,276.49

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Solution

The fourth proportional to 256,048.04, 384,090.51 and 98,276.49 is: 147,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,048.04 : 384,090.51 = 98,276.49 : x
  2. Step 2: Convert to fraction form
    256,048.04/384,090.51 = 98,276.49/x
  3. Step 3: Cross multiply
    256,048.04x = 384,090.51 × 98,276.49
  4. Step 4: Simplify right side
    256,048.04x = 37,747,067,165.11
  5. Step 5: Solve for x
    x = 37,747,067,165.11/256,048.04
  6. Step 6: Final answer
    x = 147,421.82

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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.