Home / 191,490.08-287,412.61-96,786.26

Finding the Fourth Proportional to 191,490.08, 287,412.61 and 96,786.26

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Solution

The fourth proportional to 191,490.08, 287,412.61 and 96,786.26 is: 145,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,490.08 : 287,412.61 = 96,786.26 : x
  2. Step 2: Convert to fraction form
    191,490.08/287,412.61 = 96,786.26/x
  3. Step 3: Cross multiply
    191,490.08x = 287,412.61 × 96,786.26
  4. Step 4: Simplify right side
    191,490.08x = 27,817,591,356.77
  5. Step 5: Solve for x
    x = 27,817,591,356.77/191,490.08
  6. Step 6: Final answer
    x = 145,269.10

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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.