Home / 181,085.40-249,927.24-100,538.64

Finding the Fourth Proportional to 181,085.40, 249,927.24 and 100,538.64

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Solution

The fourth proportional to 181,085.40, 249,927.24 and 100,538.64 is: 138,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,085.40 : 249,927.24 = 100,538.64 : x
  2. Step 2: Convert to fraction form
    181,085.40/249,927.24 = 100,538.64/x
  3. Step 3: Cross multiply
    181,085.40x = 249,927.24 × 100,538.64
  4. Step 4: Simplify right side
    181,085.40x = 25,127,344,808.55
  5. Step 5: Solve for x
    x = 25,127,344,808.55/181,085.40
  6. Step 6: Final answer
    x = 138,759.64

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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.