Home / 319,053.12-440,277.32-175,810.08

Finding the Fourth Proportional to 319,053.12, 440,277.32 and 175,810.08

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Solution

The fourth proportional to 319,053.12, 440,277.32 and 175,810.08 is: 242,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,053.12 : 440,277.32 = 175,810.08 : x
  2. Step 2: Convert to fraction form
    319,053.12/440,277.32 = 175,810.08/x
  3. Step 3: Cross multiply
    319,053.12x = 440,277.32 × 175,810.08
  4. Step 4: Simplify right side
    319,053.12x = 77,405,190,851.39
  5. Step 5: Solve for x
    x = 77,405,190,851.39/319,053.12
  6. Step 6: Final answer
    x = 242,609.10

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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.