Home / 186,713.52-257,686.80-106,153.20

Finding the Fourth Proportional to 186,713.52, 257,686.80 and 106,153.20

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Solution

The fourth proportional to 186,713.52, 257,686.80 and 106,153.20 is: 146,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,713.52 : 257,686.80 = 106,153.20 : x
  2. Step 2: Convert to fraction form
    186,713.52/257,686.80 = 106,153.20/x
  3. Step 3: Cross multiply
    186,713.52x = 257,686.80 × 106,153.20
  4. Step 4: Simplify right side
    186,713.52x = 27,354,278,417.76
  5. Step 5: Solve for x
    x = 27,354,278,417.76/186,713.52
  6. Step 6: Final answer
    x = 146,504.00

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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.