Home / 191,256.03-286,869.47-66,597.03

Finding the Fourth Proportional to 191,256.03, 286,869.47 and 66,597.03

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Solution

The fourth proportional to 191,256.03, 286,869.47 and 66,597.03 is: 99,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,256.03 : 286,869.47 = 66,597.03 : x
  2. Step 2: Convert to fraction form
    191,256.03/286,869.47 = 66,597.03/x
  3. Step 3: Cross multiply
    191,256.03x = 286,869.47 × 66,597.03
  4. Step 4: Simplify right side
    191,256.03x = 19,104,654,366.69
  5. Step 5: Solve for x
    x = 19,104,654,366.69/191,256.03
  6. Step 6: Final answer
    x = 99,890.47

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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.