Home / 186,322.71-257,126.59-105,751.58

Finding the Fourth Proportional to 186,322.71, 257,126.59 and 105,751.58

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Solution

The fourth proportional to 186,322.71, 257,126.59 and 105,751.58 is: 145,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,322.71 : 257,126.59 = 105,751.58 : x
  2. Step 2: Convert to fraction form
    186,322.71/257,126.59 = 105,751.58/x
  3. Step 3: Cross multiply
    186,322.71x = 257,126.59 × 105,751.58
  4. Step 4: Simplify right side
    186,322.71x = 27,191,541,602.50
  5. Step 5: Solve for x
    x = 27,191,541,602.50/186,322.71
  6. Step 6: Final answer
    x = 145,937.88

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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.