Home / 190,807.36-286,306.62-90,942.46

Finding the Fourth Proportional to 190,807.36, 286,306.62 and 90,942.46

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Solution

The fourth proportional to 190,807.36, 286,306.62 and 90,942.46 is: 136,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,807.36 : 286,306.62 = 90,942.46 : x
  2. Step 2: Convert to fraction form
    190,807.36/286,306.62 = 90,942.46/x
  3. Step 3: Cross multiply
    190,807.36x = 286,306.62 × 90,942.46
  4. Step 4: Simplify right side
    190,807.36x = 26,037,428,337.09
  5. Step 5: Solve for x
    x = 26,037,428,337.09/190,807.36
  6. Step 6: Final answer
    x = 136,459.25

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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.