Home / 186,804.11-257,488.51-126,352.69

Finding the Fourth Proportional to 186,804.11, 257,488.51 and 126,352.69

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Solution

The fourth proportional to 186,804.11, 257,488.51 and 126,352.69 is: 174,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,804.11 : 257,488.51 = 126,352.69 : x
  2. Step 2: Convert to fraction form
    186,804.11/257,488.51 = 126,352.69/x
  3. Step 3: Cross multiply
    186,804.11x = 257,488.51 × 126,352.69
  4. Step 4: Simplify right side
    186,804.11x = 32,534,365,882.59
  5. Step 5: Solve for x
    x = 32,534,365,882.59/186,804.11
  6. Step 6: Final answer
    x = 174,163.01

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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.