Home / 191,453.49-287,346.20-191,010.69

Finding the Fourth Proportional to 191,453.49, 287,346.20 and 191,010.69

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Solution

The fourth proportional to 191,453.49, 287,346.20 and 191,010.69 is: 286,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,453.49 : 287,346.20 = 191,010.69 : x
  2. Step 2: Convert to fraction form
    191,453.49/287,346.20 = 191,010.69/x
  3. Step 3: Cross multiply
    191,453.49x = 287,346.20 × 191,010.69
  4. Step 4: Simplify right side
    191,453.49x = 54,886,194,975.82
  5. Step 5: Solve for x
    x = 54,886,194,975.82/191,453.49
  6. Step 6: Final answer
    x = 286,681.61

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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.