Home / 319,241.20-440,547.60-176,014.57

Finding the Fourth Proportional to 319,241.20, 440,547.60 and 176,014.57

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Solution

The fourth proportional to 319,241.20, 440,547.60 and 176,014.57 is: 242,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,241.20 : 440,547.60 = 176,014.57 : x
  2. Step 2: Convert to fraction form
    319,241.20/440,547.60 = 176,014.57/x
  3. Step 3: Cross multiply
    319,241.20x = 440,547.60 × 176,014.57
  4. Step 4: Simplify right side
    319,241.20x = 77,542,796,378.53
  5. Step 5: Solve for x
    x = 77,542,796,378.53/319,241.20
  6. Step 6: Final answer
    x = 242,897.21

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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.