Home / 186,827.72-257,823.78-101,946.20

Finding the Fourth Proportional to 186,827.72, 257,823.78 and 101,946.20

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Solution

The fourth proportional to 186,827.72, 257,823.78 and 101,946.20 is: 140,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,827.72 : 257,823.78 = 101,946.20 : x
  2. Step 2: Convert to fraction form
    186,827.72/257,823.78 = 101,946.20/x
  3. Step 3: Cross multiply
    186,827.72x = 257,823.78 × 101,946.20
  4. Step 4: Simplify right side
    186,827.72x = 26,284,154,640.64
  5. Step 5: Solve for x
    x = 26,284,154,640.64/186,827.72
  6. Step 6: Final answer
    x = 140,686.59

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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.