Home / 191,316.96-286,785.01-91,360.29

Finding the Fourth Proportional to 191,316.96, 286,785.01 and 91,360.29

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Solution

The fourth proportional to 191,316.96, 286,785.01 and 91,360.29 is: 136,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,316.96 : 286,785.01 = 91,360.29 : x
  2. Step 2: Convert to fraction form
    191,316.96/286,785.01 = 91,360.29/x
  3. Step 3: Cross multiply
    191,316.96x = 286,785.01 × 91,360.29
  4. Step 4: Simplify right side
    191,316.96x = 26,200,761,224.45
  5. Step 5: Solve for x
    x = 26,200,761,224.45/191,316.96
  6. Step 6: Final answer
    x = 136,949.50

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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.