Home / 155,514.90-233,518.40-118,117.20

Finding the Fourth Proportional to 155,514.90, 233,518.40 and 118,117.20

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Solution

The fourth proportional to 155,514.90, 233,518.40 and 118,117.20 is: 177,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514.90 : 233,518.40 = 118,117.20 : x
  2. Step 2: Convert to fraction form
    155,514.90/233,518.40 = 118,117.20/x
  3. Step 3: Cross multiply
    155,514.90x = 233,518.40 × 118,117.20
  4. Step 4: Simplify right side
    155,514.90x = 27,582,539,556.48
  5. Step 5: Solve for x
    x = 27,582,539,556.48/155,514.90
  6. Step 6: Final answer
    x = 177,362.68

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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.