Home / 189,864.08-284,839.32-101,070.80

Finding the Fourth Proportional to 189,864.08, 284,839.32 and 101,070.80

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Solution

The fourth proportional to 189,864.08, 284,839.32 and 101,070.80 is: 151,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,864.08 : 284,839.32 = 101,070.80 : x
  2. Step 2: Convert to fraction form
    189,864.08/284,839.32 = 101,070.80/x
  3. Step 3: Cross multiply
    189,864.08x = 284,839.32 × 101,070.80
  4. Step 4: Simplify right side
    189,864.08x = 28,788,937,943.86
  5. Step 5: Solve for x
    x = 28,788,937,943.86/189,864.08
  6. Step 6: Final answer
    x = 151,629.20

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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.