Home / 319,101.48-440,360.04-175,861.52

Finding the Fourth Proportional to 319,101.48, 440,360.04 and 175,861.52

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Solution

The fourth proportional to 319,101.48, 440,360.04 and 175,861.52 is: 242,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,101.48 : 440,360.04 = 175,861.52 : x
  2. Step 2: Convert to fraction form
    319,101.48/440,360.04 = 175,861.52/x
  3. Step 3: Cross multiply
    319,101.48x = 440,360.04 × 175,861.52
  4. Step 4: Simplify right side
    319,101.48x = 77,442,385,542.01
  5. Step 5: Solve for x
    x = 77,442,385,542.01/319,101.48
  6. Step 6: Final answer
    x = 242,688.90

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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.