Home / 319,042.09-440,297.67-175,802.10

Finding the Fourth Proportional to 319,042.09, 440,297.67 and 175,802.10

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Solution

The fourth proportional to 319,042.09, 440,297.67 and 175,802.10 is: 242,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,042.09 : 440,297.67 = 175,802.10 : x
  2. Step 2: Convert to fraction form
    319,042.09/440,297.67 = 175,802.10/x
  3. Step 3: Cross multiply
    319,042.09x = 440,297.67 × 175,802.10
  4. Step 4: Simplify right side
    319,042.09x = 77,405,255,011.11
  5. Step 5: Solve for x
    x = 77,405,255,011.11/319,042.09
  6. Step 6: Final answer
    x = 242,617.69

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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.