Home / 123,040.08-169,817.04-117,430.48

Finding the Fourth Proportional to 123,040.08, 169,817.04 and 117,430.48

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Solution

The fourth proportional to 123,040.08, 169,817.04 and 117,430.48 is: 162,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,040.08 : 169,817.04 = 117,430.48 : x
  2. Step 2: Convert to fraction form
    123,040.08/169,817.04 = 117,430.48/x
  3. Step 3: Cross multiply
    123,040.08x = 169,817.04 × 117,430.48
  4. Step 4: Simplify right side
    123,040.08x = 19,941,696,519.38
  5. Step 5: Solve for x
    x = 19,941,696,519.38/123,040.08
  6. Step 6: Final answer
    x = 162,074.80

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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.