Home / 127,189.23-175,523.79-69,830.83

Finding the Fourth Proportional to 127,189.23, 175,523.79 and 69,830.83

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Solution

The fourth proportional to 127,189.23, 175,523.79 and 69,830.83 is: 96,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,189.23 : 175,523.79 = 69,830.83 : x
  2. Step 2: Convert to fraction form
    127,189.23/175,523.79 = 69,830.83/x
  3. Step 3: Cross multiply
    127,189.23x = 175,523.79 × 69,830.83
  4. Step 4: Simplify right side
    127,189.23x = 12,256,971,940.45
  5. Step 5: Solve for x
    x = 12,256,971,940.45/127,189.23
  6. Step 6: Final answer
    x = 96,368.00

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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.