Home / 127,669.23-176,210.24-76,684.19

Finding the Fourth Proportional to 127,669.23, 176,210.24 and 76,684.19

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Solution

The fourth proportional to 127,669.23, 176,210.24 and 76,684.19 is: 105,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,669.23 : 176,210.24 = 76,684.19 : x
  2. Step 2: Convert to fraction form
    127,669.23/176,210.24 = 76,684.19/x
  3. Step 3: Cross multiply
    127,669.23x = 176,210.24 × 76,684.19
  4. Step 4: Simplify right side
    127,669.23x = 13,512,538,259.63
  5. Step 5: Solve for x
    x = 13,512,538,259.63/127,669.23
  6. Step 6: Final answer
    x = 105,840.21

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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.