Home / 186,725.59-257,680.13-106,153.11

Finding the Fourth Proportional to 186,725.59, 257,680.13 and 106,153.11

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Solution

The fourth proportional to 186,725.59, 257,680.13 and 106,153.11 is: 146,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.59 : 257,680.13 = 106,153.11 : x
  2. Step 2: Convert to fraction form
    186,725.59/257,680.13 = 106,153.11/x
  3. Step 3: Cross multiply
    186,725.59x = 257,680.13 × 106,153.11
  4. Step 4: Simplify right side
    186,725.59x = 27,353,547,184.70
  5. Step 5: Solve for x
    x = 27,353,547,184.70/186,725.59
  6. Step 6: Final answer
    x = 146,490.62

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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.