Home / 114,526.08-171,869.28-77,157.48

Finding the Fourth Proportional to 114,526.08, 171,869.28 and 77,157.48

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Solution

The fourth proportional to 114,526.08, 171,869.28 and 77,157.48 is: 115,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,526.08 : 171,869.28 = 77,157.48 : x
  2. Step 2: Convert to fraction form
    114,526.08/171,869.28 = 77,157.48/x
  3. Step 3: Cross multiply
    114,526.08x = 171,869.28 × 77,157.48
  4. Step 4: Simplify right side
    114,526.08x = 13,261,000,534.21
  5. Step 5: Solve for x
    x = 13,261,000,534.21/114,526.08
  6. Step 6: Final answer
    x = 115,790.22

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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.