Home / 127,948.96-191,881.84-42,536.89

Finding the Fourth Proportional to 127,948.96, 191,881.84 and 42,536.89

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Solution

The fourth proportional to 127,948.96, 191,881.84 and 42,536.89 is: 63,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,948.96 : 191,881.84 = 42,536.89 : x
  2. Step 2: Convert to fraction form
    127,948.96/191,881.84 = 42,536.89/x
  3. Step 3: Cross multiply
    127,948.96x = 191,881.84 × 42,536.89
  4. Step 4: Simplify right side
    127,948.96x = 8,162,056,721.08
  5. Step 5: Solve for x
    x = 8,162,056,721.08/127,948.96
  6. Step 6: Final answer
    x = 63,791.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.