Home / 190,736.47-286,158.84-155,530.72

Finding the Fourth Proportional to 190,736.47, 286,158.84 and 155,530.72

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Solution

The fourth proportional to 190,736.47, 286,158.84 and 155,530.72 is: 233,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,736.47 : 286,158.84 = 155,530.72 : x
  2. Step 2: Convert to fraction form
    190,736.47/286,158.84 = 155,530.72/x
  3. Step 3: Cross multiply
    190,736.47x = 286,158.84 × 155,530.72
  4. Step 4: Simplify right side
    190,736.47x = 44,506,490,419.56
  5. Step 5: Solve for x
    x = 44,506,490,419.56/190,736.47
  6. Step 6: Final answer
    x = 233,340.22

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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.