Home / 142,411.74-196,349.58-91,334.35

Finding the Fourth Proportional to 142,411.74, 196,349.58 and 91,334.35

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Solution

The fourth proportional to 142,411.74, 196,349.58 and 91,334.35 is: 125,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,411.74 : 196,349.58 = 91,334.35 : x
  2. Step 2: Convert to fraction form
    142,411.74/196,349.58 = 91,334.35/x
  3. Step 3: Cross multiply
    142,411.74x = 196,349.58 × 91,334.35
  4. Step 4: Simplify right side
    142,411.74x = 17,933,461,262.07
  5. Step 5: Solve for x
    x = 17,933,461,262.07/142,411.74
  6. Step 6: Final answer
    x = 125,926.85

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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.