Home / 186,423.08-257,263.86-101,540.20

Finding the Fourth Proportional to 186,423.08, 257,263.86 and 101,540.20

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Solution

The fourth proportional to 186,423.08, 257,263.86 and 101,540.20 is: 140,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.08 : 257,263.86 = 101,540.20 : x
  2. Step 2: Convert to fraction form
    186,423.08/257,263.86 = 101,540.20/x
  3. Step 3: Cross multiply
    186,423.08x = 257,263.86 × 101,540.20
  4. Step 4: Simplify right side
    186,423.08x = 26,122,623,797.17
  5. Step 5: Solve for x
    x = 26,122,623,797.17/186,423.08
  6. Step 6: Final answer
    x = 140,125.48

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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.