Home / 369,656.48-554,519.64-103,417.04

Finding the Fourth Proportional to 369,656.48, 554,519.64 and 103,417.04

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Solution

The fourth proportional to 369,656.48, 554,519.64 and 103,417.04 is: 155,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,656.48 : 554,519.64 = 103,417.04 : x
  2. Step 2: Convert to fraction form
    369,656.48/554,519.64 = 103,417.04/x
  3. Step 3: Cross multiply
    369,656.48x = 554,519.64 × 103,417.04
  4. Step 4: Simplify right side
    369,656.48x = 57,346,779,790.67
  5. Step 5: Solve for x
    x = 57,346,779,790.67/369,656.48
  6. Step 6: Final answer
    x = 155,135.33

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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.