Home / 189,941.10-284,806.50-77,700.18

Finding the Fourth Proportional to 189,941.10, 284,806.50 and 77,700.18

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Solution

The fourth proportional to 189,941.10, 284,806.50 and 77,700.18 is: 116,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,941.10 : 284,806.50 = 77,700.18 : x
  2. Step 2: Convert to fraction form
    189,941.10/284,806.50 = 77,700.18/x
  3. Step 3: Cross multiply
    189,941.10x = 284,806.50 × 77,700.18
  4. Step 4: Simplify right side
    189,941.10x = 22,129,516,315.17
  5. Step 5: Solve for x
    x = 22,129,516,315.17/189,941.10
  6. Step 6: Final answer
    x = 116,507.26

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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.