Home / 130,447.16-195,726.98-70,463.72

Finding the Fourth Proportional to 130,447.16, 195,726.98 and 70,463.72

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Solution

The fourth proportional to 130,447.16, 195,726.98 and 70,463.72 is: 105,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,447.16 : 195,726.98 = 70,463.72 : x
  2. Step 2: Convert to fraction form
    130,447.16/195,726.98 = 70,463.72/x
  3. Step 3: Cross multiply
    130,447.16x = 195,726.98 × 70,463.72
  4. Step 4: Simplify right side
    130,447.16x = 13,791,651,780.64
  5. Step 5: Solve for x
    x = 13,791,651,780.64/130,447.16
  6. Step 6: Final answer
    x = 105,725.97

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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.