Home / 109,206.30-150,681.45-63,875.43

Finding the Fourth Proportional to 109,206.30, 150,681.45 and 63,875.43

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Solution

The fourth proportional to 109,206.30, 150,681.45 and 63,875.43 is: 88,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,206.30 : 150,681.45 = 63,875.43 : x
  2. Step 2: Convert to fraction form
    109,206.30/150,681.45 = 63,875.43/x
  3. Step 3: Cross multiply
    109,206.30x = 150,681.45 × 63,875.43
  4. Step 4: Simplify right side
    109,206.30x = 9,624,842,411.77
  5. Step 5: Solve for x
    x = 9,624,842,411.77/109,206.30
  6. Step 6: Final answer
    x = 88,134.50

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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.