Home / 181,006.18-249,788.50-100,434.26

Finding the Fourth Proportional to 181,006.18, 249,788.50 and 100,434.26

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Solution

The fourth proportional to 181,006.18, 249,788.50 and 100,434.26 is: 138,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,006.18 : 249,788.50 = 100,434.26 : x
  2. Step 2: Convert to fraction form
    181,006.18/249,788.50 = 100,434.26/x
  3. Step 3: Cross multiply
    181,006.18x = 249,788.50 × 100,434.26
  4. Step 4: Simplify right side
    181,006.18x = 25,087,323,527.40
  5. Step 5: Solve for x
    x = 25,087,323,527.40/181,006.18
  6. Step 6: Final answer
    x = 138,599.27

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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.