Home / 189,618.34-284,468.57-56,509.32

Finding the Fourth Proportional to 189,618.34, 284,468.57 and 56,509.32

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Solution

The fourth proportional to 189,618.34, 284,468.57 and 56,509.32 is: 84,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,618.34 : 284,468.57 = 56,509.32 : x
  2. Step 2: Convert to fraction form
    189,618.34/284,468.57 = 56,509.32/x
  3. Step 3: Cross multiply
    189,618.34x = 284,468.57 × 56,509.32
  4. Step 4: Simplify right side
    189,618.34x = 16,075,125,452.07
  5. Step 5: Solve for x
    x = 16,075,125,452.07/189,618.34
  6. Step 6: Final answer
    x = 84,776.22

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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.