Home / 130,856.45-196,126.18-59,681.63

Finding the Fourth Proportional to 130,856.45, 196,126.18 and 59,681.63

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Solution

The fourth proportional to 130,856.45, 196,126.18 and 59,681.63 is: 89,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,856.45 : 196,126.18 = 59,681.63 : x
  2. Step 2: Convert to fraction form
    130,856.45/196,126.18 = 59,681.63/x
  3. Step 3: Cross multiply
    130,856.45x = 196,126.18 × 59,681.63
  4. Step 4: Simplify right side
    130,856.45x = 11,705,130,449.18
  5. Step 5: Solve for x
    x = 11,705,130,449.18/130,856.45
  6. Step 6: Final answer
    x = 89,450.16

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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.