Home / 194,955.16-291,767.40-163,400.86

Finding the Fourth Proportional to 194,955.16, 291,767.40 and 163,400.86

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Solution

The fourth proportional to 194,955.16, 291,767.40 and 163,400.86 is: 244,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,955.16 : 291,767.40 = 163,400.86 : x
  2. Step 2: Convert to fraction form
    194,955.16/291,767.40 = 163,400.86/x
  3. Step 3: Cross multiply
    194,955.16x = 291,767.40 × 163,400.86
  4. Step 4: Simplify right side
    194,955.16x = 47,675,044,079.96
  5. Step 5: Solve for x
    x = 47,675,044,079.96/194,955.16
  6. Step 6: Final answer
    x = 244,543.64

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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.