Home / 191,185.40-286,816.38-107,065.19

Finding the Fourth Proportional to 191,185.40, 286,816.38 and 107,065.19

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Solution

The fourth proportional to 191,185.40, 286,816.38 and 107,065.19 is: 160,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,185.40 : 286,816.38 = 107,065.19 : x
  2. Step 2: Convert to fraction form
    191,185.40/286,816.38 = 107,065.19/x
  3. Step 3: Cross multiply
    191,185.40x = 286,816.38 × 107,065.19
  4. Step 4: Simplify right side
    191,185.40x = 30,708,050,219.81
  5. Step 5: Solve for x
    x = 30,708,050,219.81/191,185.40
  6. Step 6: Final answer
    x = 160,619.22

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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.