Home / 319,375.10-440,718.61-183,431.18

Finding the Fourth Proportional to 319,375.10, 440,718.61 and 183,431.18

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Solution

The fourth proportional to 319,375.10, 440,718.61 and 183,431.18 is: 253,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,375.10 : 440,718.61 = 183,431.18 : x
  2. Step 2: Convert to fraction form
    319,375.10/440,718.61 = 183,431.18/x
  3. Step 3: Cross multiply
    319,375.10x = 440,718.61 × 183,431.18
  4. Step 4: Simplify right side
    319,375.10x = 80,841,534,680.26
  5. Step 5: Solve for x
    x = 80,841,534,680.26/319,375.10
  6. Step 6: Final answer
    x = 253,124.10

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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.