Home / 189,417.36-284,069.52-156,054.72

Finding the Fourth Proportional to 189,417.36, 284,069.52 and 156,054.72

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Solution

The fourth proportional to 189,417.36, 284,069.52 and 156,054.72 is: 234,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,417.36 : 284,069.52 = 156,054.72 : x
  2. Step 2: Convert to fraction form
    189,417.36/284,069.52 = 156,054.72/x
  3. Step 3: Cross multiply
    189,417.36x = 284,069.52 × 156,054.72
  4. Step 4: Simplify right side
    189,417.36x = 44,330,389,404.13
  5. Step 5: Solve for x
    x = 44,330,389,404.13/189,417.36
  6. Step 6: Final answer
    x = 234,035.52

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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.