Home / 190,100.04-262,293.48-129,796.26

Finding the Fourth Proportional to 190,100.04, 262,293.48 and 129,796.26

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Solution

The fourth proportional to 190,100.04, 262,293.48 and 129,796.26 is: 179,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,100.04 : 262,293.48 = 129,796.26 : x
  2. Step 2: Convert to fraction form
    190,100.04/262,293.48 = 129,796.26/x
  3. Step 3: Cross multiply
    190,100.04x = 262,293.48 × 129,796.26
  4. Step 4: Simplify right side
    190,100.04x = 34,044,712,726.38
  5. Step 5: Solve for x
    x = 34,044,712,726.38/190,100.04
  6. Step 6: Final answer
    x = 179,088.40

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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.