Home / 251,587.40-347,009.18-144,118.22

Finding the Fourth Proportional to 251,587.40, 347,009.18 and 144,118.22

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Solution

The fourth proportional to 251,587.40, 347,009.18 and 144,118.22 is: 198,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,587.40 : 347,009.18 = 144,118.22 : x
  2. Step 2: Convert to fraction form
    251,587.40/347,009.18 = 144,118.22/x
  3. Step 3: Cross multiply
    251,587.40x = 347,009.18 × 144,118.22
  4. Step 4: Simplify right side
    251,587.40x = 50,010,345,345.26
  5. Step 5: Solve for x
    x = 50,010,345,345.26/251,587.40
  6. Step 6: Final answer
    x = 198,779.21

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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.