Home / 268,126.36-369,999.90-153,407.24

Finding the Fourth Proportional to 268,126.36, 369,999.90 and 153,407.24

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Solution

The fourth proportional to 268,126.36, 369,999.90 and 153,407.24 is: 211,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,126.36 : 369,999.90 = 153,407.24 : x
  2. Step 2: Convert to fraction form
    268,126.36/369,999.90 = 153,407.24/x
  3. Step 3: Cross multiply
    268,126.36x = 369,999.90 × 153,407.24
  4. Step 4: Simplify right side
    268,126.36x = 56,760,663,459.28
  5. Step 5: Solve for x
    x = 56,760,663,459.28/268,126.36
  6. Step 6: Final answer
    x = 211,693.71

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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.