Home / 234,985.69-324,280.67-127,555.80

Finding the Fourth Proportional to 234,985.69, 324,280.67 and 127,555.80

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Solution

The fourth proportional to 234,985.69, 324,280.67 and 127,555.80 is: 176,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,985.69 : 324,280.67 = 127,555.80 : x
  2. Step 2: Convert to fraction form
    234,985.69/324,280.67 = 127,555.80/x
  3. Step 3: Cross multiply
    234,985.69x = 324,280.67 × 127,555.80
  4. Step 4: Simplify right side
    234,985.69x = 41,363,878,432.55
  5. Step 5: Solve for x
    x = 41,363,878,432.55/234,985.69
  6. Step 6: Final answer
    x = 176,027.22

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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.