Home / 191,048.40-263,565-119,303.88

Finding the Fourth Proportional to 191,048.40, 263,565 and 119,303.88

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Solution

The fourth proportional to 191,048.40, 263,565 and 119,303.88 is: 164,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,048.40 : 263,565 = 119,303.88 : x
  2. Step 2: Convert to fraction form
    191,048.40/263,565 = 119,303.88/x
  3. Step 3: Cross multiply
    191,048.40x = 263,565 × 119,303.88
  4. Step 4: Simplify right side
    191,048.40x = 31,444,327,132.20
  5. Step 5: Solve for x
    x = 31,444,327,132.20/191,048.40
  6. Step 6: Final answer
    x = 164,588.28

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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.