Home / 185,699.72-278,442.77-99,038.69

Finding the Fourth Proportional to 185,699.72, 278,442.77 and 99,038.69

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Solution

The fourth proportional to 185,699.72, 278,442.77 and 99,038.69 is: 148,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,699.72 : 278,442.77 = 99,038.69 : x
  2. Step 2: Convert to fraction form
    185,699.72/278,442.77 = 99,038.69/x
  3. Step 3: Cross multiply
    185,699.72x = 278,442.77 × 99,038.69
  4. Step 4: Simplify right side
    185,699.72x = 27,576,607,381.68
  5. Step 5: Solve for x
    x = 27,576,607,381.68/185,699.72
  6. Step 6: Final answer
    x = 148,501.07

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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.