Home / 191,330.32-287,007.36-58,220.32

Finding the Fourth Proportional to 191,330.32, 287,007.36 and 58,220.32

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Solution

The fourth proportional to 191,330.32, 287,007.36 and 58,220.32 is: 87,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,330.32 : 287,007.36 = 58,220.32 : x
  2. Step 2: Convert to fraction form
    191,330.32/287,007.36 = 58,220.32/x
  3. Step 3: Cross multiply
    191,330.32x = 287,007.36 × 58,220.32
  4. Step 4: Simplify right side
    191,330.32x = 16,709,660,341.56
  5. Step 5: Solve for x
    x = 16,709,660,341.56/191,330.32
  6. Step 6: Final answer
    x = 87,334.09

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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.