Home / 249,390.07-374,137.64-80,897.24

Finding the Fourth Proportional to 249,390.07, 374,137.64 and 80,897.24

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Solution

The fourth proportional to 249,390.07, 374,137.64 and 80,897.24 is: 121,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,390.07 : 374,137.64 = 80,897.24 : x
  2. Step 2: Convert to fraction form
    249,390.07/374,137.64 = 80,897.24/x
  3. Step 3: Cross multiply
    249,390.07x = 374,137.64 × 80,897.24
  4. Step 4: Simplify right side
    249,390.07x = 30,266,702,053.23
  5. Step 5: Solve for x
    x = 30,266,702,053.23/249,390.07
  6. Step 6: Final answer
    x = 121,362.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.