Home / 186,822.72-257,816.88-101,941.20

Finding the Fourth Proportional to 186,822.72, 257,816.88 and 101,941.20

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Solution

The fourth proportional to 186,822.72, 257,816.88 and 101,941.20 is: 140,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.72 : 257,816.88 = 101,941.20 : x
  2. Step 2: Convert to fraction form
    186,822.72/257,816.88 = 101,941.20/x
  3. Step 3: Cross multiply
    186,822.72x = 257,816.88 × 101,941.20
  4. Step 4: Simplify right side
    186,822.72x = 26,282,162,127.46
  5. Step 5: Solve for x
    x = 26,282,162,127.46/186,822.72
  6. Step 6: Final answer
    x = 140,679.69

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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.