Home / 151,006.47-208,389.34-83,030.39

Finding the Fourth Proportional to 151,006.47, 208,389.34 and 83,030.39

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Solution

The fourth proportional to 151,006.47, 208,389.34 and 83,030.39 is: 114,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,006.47 : 208,389.34 = 83,030.39 : x
  2. Step 2: Convert to fraction form
    151,006.47/208,389.34 = 83,030.39/x
  3. Step 3: Cross multiply
    151,006.47x = 208,389.34 × 83,030.39
  4. Step 4: Simplify right side
    151,006.47x = 17,302,648,172.04
  5. Step 5: Solve for x
    x = 17,302,648,172.04/151,006.47
  6. Step 6: Final answer
    x = 114,582.16

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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.