Home / 375,534.48-562,980.96-138,833.04

Finding the Fourth Proportional to 375,534.48, 562,980.96 and 138,833.04

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Solution

The fourth proportional to 375,534.48, 562,980.96 and 138,833.04 is: 208,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,534.48 : 562,980.96 = 138,833.04 : x
  2. Step 2: Convert to fraction form
    375,534.48/562,980.96 = 138,833.04/x
  3. Step 3: Cross multiply
    375,534.48x = 562,980.96 × 138,833.04
  4. Step 4: Simplify right side
    375,534.48x = 78,160,358,138.92
  5. Step 5: Solve for x
    x = 78,160,358,138.92/375,534.48
  6. Step 6: Final answer
    x = 208,130.98

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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.