Home / 258,774.08-357,118.47-144,057.83

Finding the Fourth Proportional to 258,774.08, 357,118.47 and 144,057.83

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Solution

The fourth proportional to 258,774.08, 357,118.47 and 144,057.83 is: 198,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,774.08 : 357,118.47 = 144,057.83 : x
  2. Step 2: Convert to fraction form
    258,774.08/357,118.47 = 144,057.83/x
  3. Step 3: Cross multiply
    258,774.08x = 357,118.47 × 144,057.83
  4. Step 4: Simplify right side
    258,774.08x = 51,445,710,055.53
  5. Step 5: Solve for x
    x = 51,445,710,055.53/258,774.08
  6. Step 6: Final answer
    x = 198,805.50

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1.5x scale

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.