Home / 155,288.58-232,987.54-76,458.18

Finding the Fourth Proportional to 155,288.58, 232,987.54 and 76,458.18

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Solution

The fourth proportional to 155,288.58, 232,987.54 and 76,458.18 is: 114,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,288.58 : 232,987.54 = 76,458.18 : x
  2. Step 2: Convert to fraction form
    155,288.58/232,987.54 = 76,458.18/x
  3. Step 3: Cross multiply
    155,288.58x = 232,987.54 × 76,458.18
  4. Step 4: Simplify right side
    155,288.58x = 17,813,803,271.08
  5. Step 5: Solve for x
    x = 17,813,803,271.08/155,288.58
  6. Step 6: Final answer
    x = 114,714.19

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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.