Home / 186,007.54-256,678.91-104,331.30

Finding the Fourth Proportional to 186,007.54, 256,678.91 and 104,331.30

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Solution

The fourth proportional to 186,007.54, 256,678.91 and 104,331.30 is: 143,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,007.54 : 256,678.91 = 104,331.30 : x
  2. Step 2: Convert to fraction form
    186,007.54/256,678.91 = 104,331.30/x
  3. Step 3: Cross multiply
    186,007.54x = 256,678.91 × 104,331.30
  4. Step 4: Simplify right side
    186,007.54x = 26,779,644,232.47
  5. Step 5: Solve for x
    x = 26,779,644,232.47/186,007.54
  6. Step 6: Final answer
    x = 143,970.75

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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.