Home / 190,905.02-286,361.62-57,785.06

Finding the Fourth Proportional to 190,905.02, 286,361.62 and 57,785.06

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Solution

The fourth proportional to 190,905.02, 286,361.62 and 57,785.06 is: 86,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,905.02 : 286,361.62 = 57,785.06 : x
  2. Step 2: Convert to fraction form
    190,905.02/286,361.62 = 57,785.06/x
  3. Step 3: Cross multiply
    190,905.02x = 286,361.62 × 57,785.06
  4. Step 4: Simplify right side
    190,905.02x = 16,547,423,393.40
  5. Step 5: Solve for x
    x = 16,547,423,393.40/190,905.02
  6. Step 6: Final answer
    x = 86,678.83

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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.