Home / 130,015.60-194,965.80-59,916.40

Finding the Fourth Proportional to 130,015.60, 194,965.80 and 59,916.40

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Solution

The fourth proportional to 130,015.60, 194,965.80 and 59,916.40 is: 89,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.60 : 194,965.80 = 59,916.40 : x
  2. Step 2: Convert to fraction form
    130,015.60/194,965.80 = 59,916.40/x
  3. Step 3: Cross multiply
    130,015.60x = 194,965.80 × 59,916.40
  4. Step 4: Simplify right side
    130,015.60x = 11,681,648,859.12
  5. Step 5: Solve for x
    x = 11,681,648,859.12/130,015.60
  6. Step 6: Final answer
    x = 89,848.06

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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.