Home / 319,197.38-440,495.42-175,962.56

Finding the Fourth Proportional to 319,197.38, 440,495.42 and 175,962.56

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Solution

The fourth proportional to 319,197.38, 440,495.42 and 175,962.56 is: 242,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,197.38 : 440,495.42 = 175,962.56 : x
  2. Step 2: Convert to fraction form
    319,197.38/440,495.42 = 175,962.56/x
  3. Step 3: Cross multiply
    319,197.38x = 440,495.42 × 175,962.56
  4. Step 4: Simplify right side
    319,197.38x = 77,510,698,689.19
  5. Step 5: Solve for x
    x = 77,510,698,689.19/319,197.38
  6. Step 6: Final answer
    x = 242,830.00

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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.