Home / 127,384.35-191,077.21-38,637.95

Finding the Fourth Proportional to 127,384.35, 191,077.21 and 38,637.95

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Solution

The fourth proportional to 127,384.35, 191,077.21 and 38,637.95 is: 57,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384.35 : 191,077.21 = 38,637.95 : x
  2. Step 2: Convert to fraction form
    127,384.35/191,077.21 = 38,637.95/x
  3. Step 3: Cross multiply
    127,384.35x = 191,077.21 × 38,637.95
  4. Step 4: Simplify right side
    127,384.35x = 7,382,830,779.03
  5. Step 5: Solve for x
    x = 7,382,830,779.03/127,384.35
  6. Step 6: Final answer
    x = 57,957.13

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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.