Home / 186,277.74-257,024.37-121,841.43

Finding the Fourth Proportional to 186,277.74, 257,024.37 and 121,841.43

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Solution

The fourth proportional to 186,277.74, 257,024.37 and 121,841.43 is: 168,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,277.74 : 257,024.37 = 121,841.43 : x
  2. Step 2: Convert to fraction form
    186,277.74/257,024.37 = 121,841.43/x
  3. Step 3: Cross multiply
    186,277.74x = 257,024.37 × 121,841.43
  4. Step 4: Simplify right side
    186,277.74x = 31,316,216,785.65
  5. Step 5: Solve for x
    x = 31,316,216,785.65/186,277.74
  6. Step 6: Final answer
    x = 168,115.72

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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.