Home / 105,208.61-157,812.84-26,322.77

Finding the Fourth Proportional to 105,208.61, 157,812.84 and 26,322.77

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Solution

The fourth proportional to 105,208.61, 157,812.84 and 26,322.77 is: 39,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,208.61 : 157,812.84 = 26,322.77 : x
  2. Step 2: Convert to fraction form
    105,208.61/157,812.84 = 26,322.77/x
  3. Step 3: Cross multiply
    105,208.61x = 157,812.84 × 26,322.77
  4. Step 4: Simplify right side
    105,208.61x = 4,154,071,484.90
  5. Step 5: Solve for x
    x = 4,154,071,484.90/105,208.61
  6. Step 6: Final answer
    x = 39,484.14

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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.