Home / 319,331.16-440,667.54-176,091.18

Finding the Fourth Proportional to 319,331.16, 440,667.54 and 176,091.18

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Solution

The fourth proportional to 319,331.16, 440,667.54 and 176,091.18 is: 243,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,331.16 : 440,667.54 = 176,091.18 : x
  2. Step 2: Convert to fraction form
    319,331.16/440,667.54 = 176,091.18/x
  3. Step 3: Cross multiply
    319,331.16x = 440,667.54 × 176,091.18
  4. Step 4: Simplify right side
    319,331.16x = 77,597,667,106.30
  5. Step 5: Solve for x
    x = 77,597,667,106.30/319,331.16
  6. Step 6: Final answer
    x = 243,000.61

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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.