Home / 260,533.06-359,421.46-153,054.61

Finding the Fourth Proportional to 260,533.06, 359,421.46 and 153,054.61

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Solution

The fourth proportional to 260,533.06, 359,421.46 and 153,054.61 is: 211,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,533.06 : 359,421.46 = 153,054.61 : x
  2. Step 2: Convert to fraction form
    260,533.06/359,421.46 = 153,054.61/x
  3. Step 3: Cross multiply
    260,533.06x = 359,421.46 × 153,054.61
  4. Step 4: Simplify right side
    260,533.06x = 55,011,111,385.93
  5. Step 5: Solve for x
    x = 55,011,111,385.93/260,533.06
  6. Step 6: Final answer
    x = 211,148.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.