Home / 319,255.04-440,591.76-176,014.84

Finding the Fourth Proportional to 319,255.04, 440,591.76 and 176,014.84

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Solution

The fourth proportional to 319,255.04, 440,591.76 and 176,014.84 is: 242,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,255.04 : 440,591.76 = 176,014.84 : x
  2. Step 2: Convert to fraction form
    319,255.04/440,591.76 = 176,014.84/x
  3. Step 3: Cross multiply
    319,255.04x = 440,591.76 × 176,014.84
  4. Step 4: Simplify right side
    319,255.04x = 77,550,688,141.72
  5. Step 5: Solve for x
    x = 77,550,688,141.72/319,255.04
  6. Step 6: Final answer
    x = 242,911.40

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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.