Home / 189,438.06-284,203.86-56,317.74

Finding the Fourth Proportional to 189,438.06, 284,203.86 and 56,317.74

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Solution

The fourth proportional to 189,438.06, 284,203.86 and 56,317.74 is: 84,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,438.06 : 284,203.86 = 56,317.74 : x
  2. Step 2: Convert to fraction form
    189,438.06/284,203.86 = 56,317.74/x
  3. Step 3: Cross multiply
    189,438.06x = 284,203.86 × 56,317.74
  4. Step 4: Simplify right side
    189,438.06x = 16,005,719,094.48
  5. Step 5: Solve for x
    x = 16,005,719,094.48/189,438.06
  6. Step 6: Final answer
    x = 84,490.51

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1.5x scale

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.