Home / 147,858.38-204,039.70-93,439.64

Finding the Fourth Proportional to 147,858.38, 204,039.70 and 93,439.64

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Solution

The fourth proportional to 147,858.38, 204,039.70 and 93,439.64 is: 128,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,858.38 : 204,039.70 = 93,439.64 : x
  2. Step 2: Convert to fraction form
    147,858.38/204,039.70 = 93,439.64/x
  3. Step 3: Cross multiply
    147,858.38x = 204,039.70 × 93,439.64
  4. Step 4: Simplify right side
    147,858.38x = 19,065,395,210.31
  5. Step 5: Solve for x
    x = 19,065,395,210.31/147,858.38
  6. Step 6: Final answer
    x = 128,943.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.