Home / 319,055.03-440,298.89-175,820.20

Finding the Fourth Proportional to 319,055.03, 440,298.89 and 175,820.20

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Solution

The fourth proportional to 319,055.03, 440,298.89 and 175,820.20 is: 242,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,055.03 : 440,298.89 = 175,820.20 : x
  2. Step 2: Convert to fraction form
    319,055.03/440,298.89 = 175,820.20/x
  3. Step 3: Cross multiply
    319,055.03x = 440,298.89 × 175,820.20
  4. Step 4: Simplify right side
    319,055.03x = 77,413,438,899.58
  5. Step 5: Solve for x
    x = 77,413,438,899.58/319,055.03
  6. Step 6: Final answer
    x = 242,633.50

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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.