Home / 319,829.76-441,358.20-174,632.40

Finding the Fourth Proportional to 319,829.76, 441,358.20 and 174,632.40

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Solution

The fourth proportional to 319,829.76, 441,358.20 and 174,632.40 is: 240,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,829.76 : 441,358.20 = 174,632.40 : x
  2. Step 2: Convert to fraction form
    319,829.76/441,358.20 = 174,632.40/x
  3. Step 3: Cross multiply
    319,829.76x = 441,358.20 × 174,632.40
  4. Step 4: Simplify right side
    319,829.76x = 77,075,441,725.68
  5. Step 5: Solve for x
    x = 77,075,441,725.68/319,829.76
  6. Step 6: Final answer
    x = 240,988.96

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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.