Home / 319,047.15-440,281.38-181,225.14

Finding the Fourth Proportional to 319,047.15, 440,281.38 and 181,225.14

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Solution

The fourth proportional to 319,047.15, 440,281.38 and 181,225.14 is: 250,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,047.15 : 440,281.38 = 181,225.14 : x
  2. Step 2: Convert to fraction form
    319,047.15/440,281.38 = 181,225.14/x
  3. Step 3: Cross multiply
    319,047.15x = 440,281.38 × 181,225.14
  4. Step 4: Simplify right side
    319,047.15x = 79,790,054,729.89
  5. Step 5: Solve for x
    x = 79,790,054,729.89/319,047.15
  6. Step 6: Final answer
    x = 250,088.60

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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.