Home / 319,242.47-440,557.58-176,007.63

Finding the Fourth Proportional to 319,242.47, 440,557.58 and 176,007.63

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Solution

The fourth proportional to 319,242.47, 440,557.58 and 176,007.63 is: 242,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,242.47 : 440,557.58 = 176,007.63 : x
  2. Step 2: Convert to fraction form
    319,242.47/440,557.58 = 176,007.63/x
  3. Step 3: Cross multiply
    319,242.47x = 440,557.58 × 176,007.63
  4. Step 4: Simplify right side
    319,242.47x = 77,541,497,626.45
  5. Step 5: Solve for x
    x = 77,541,497,626.45/319,242.47
  6. Step 6: Final answer
    x = 242,892.18

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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.