Home / 319,335.40-440,712.34-183,387.16

Finding the Fourth Proportional to 319,335.40, 440,712.34 and 183,387.16

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Solution

The fourth proportional to 319,335.40, 440,712.34 and 183,387.16 is: 253,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,335.40 : 440,712.34 = 183,387.16 : x
  2. Step 2: Convert to fraction form
    319,335.40/440,712.34 = 183,387.16/x
  3. Step 3: Cross multiply
    319,335.40x = 440,712.34 × 183,387.16
  4. Step 4: Simplify right side
    319,335.40x = 80,820,984,409.55
  5. Step 5: Solve for x
    x = 80,820,984,409.55/319,335.40
  6. Step 6: Final answer
    x = 253,091.22

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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.