Home / 130,616.41-195,760.63-70,642.49

Finding the Fourth Proportional to 130,616.41, 195,760.63 and 70,642.49

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Solution

The fourth proportional to 130,616.41, 195,760.63 and 70,642.49 is: 105,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616.41 : 195,760.63 = 70,642.49 : x
  2. Step 2: Convert to fraction form
    130,616.41/195,760.63 = 70,642.49/x
  3. Step 3: Cross multiply
    130,616.41x = 195,760.63 × 70,642.49
  4. Step 4: Simplify right side
    130,616.41x = 13,829,018,347.17
  5. Step 5: Solve for x
    x = 13,829,018,347.17/130,616.41
  6. Step 6: Final answer
    x = 105,875.05

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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.