Home / 186,856.19-257,875.41-106,309.65

Finding the Fourth Proportional to 186,856.19, 257,875.41 and 106,309.65

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Solution

The fourth proportional to 186,856.19, 257,875.41 and 106,309.65 is: 146,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,856.19 : 257,875.41 = 106,309.65 : x
  2. Step 2: Convert to fraction form
    186,856.19/257,875.41 = 106,309.65/x
  3. Step 3: Cross multiply
    186,856.19x = 257,875.41 × 106,309.65
  4. Step 4: Simplify right side
    186,856.19x = 27,414,644,580.71
  5. Step 5: Solve for x
    x = 27,414,644,580.71/186,856.19
  6. Step 6: Final answer
    x = 146,715.21

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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.