Home / 319,090.15-440,342.16-175,850.35

Finding the Fourth Proportional to 319,090.15, 440,342.16 and 175,850.35

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Solution

The fourth proportional to 319,090.15, 440,342.16 and 175,850.35 is: 242,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,090.15 : 440,342.16 = 175,850.35 : x
  2. Step 2: Convert to fraction form
    319,090.15/440,342.16 = 175,850.35/x
  3. Step 3: Cross multiply
    319,090.15x = 440,342.16 × 175,850.35
  4. Step 4: Simplify right side
    319,090.15x = 77,434,322,955.76
  5. Step 5: Solve for x
    x = 77,434,322,955.76/319,090.15
  6. Step 6: Final answer
    x = 242,672.24

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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.