Home / 105,607.32-158,017.26-104,426.28

Finding the Fourth Proportional to 105,607.32, 158,017.26 and 104,426.28

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Solution

The fourth proportional to 105,607.32, 158,017.26 and 104,426.28 is: 156,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,607.32 : 158,017.26 = 104,426.28 : x
  2. Step 2: Convert to fraction form
    105,607.32/158,017.26 = 104,426.28/x
  3. Step 3: Cross multiply
    105,607.32x = 158,017.26 × 104,426.28
  4. Step 4: Simplify right side
    105,607.32x = 16,501,154,637.59
  5. Step 5: Solve for x
    x = 16,501,154,637.59/105,607.32
  6. Step 6: Final answer
    x = 156,250.10

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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.