Home / 127,637.46-191,574.40-64,502.01

Finding the Fourth Proportional to 127,637.46, 191,574.40 and 64,502.01

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Solution

The fourth proportional to 127,637.46, 191,574.40 and 64,502.01 is: 96,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.46 : 191,574.40 = 64,502.01 : x
  2. Step 2: Convert to fraction form
    127,637.46/191,574.40 = 64,502.01/x
  3. Step 3: Cross multiply
    127,637.46x = 191,574.40 × 64,502.01
  4. Step 4: Simplify right side
    127,637.46x = 12,356,933,864.54
  5. Step 5: Solve for x
    x = 12,356,933,864.54/127,637.46
  6. Step 6: Final answer
    x = 96,812.75

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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.